Answers
Answer:
The Answer is C!
Explanation:
Related Questions
The total voltage dropped across a series-parallel circuit equals one-half of the supply voltage.
Answers
The given statement "The total voltage dropped across a series-parallel circuit equals one-half of the supply voltage" is false because it depends on the specific circuit.
Is it always true that the total voltage dropped across a series-parallel circuit equals one-half of the supply voltage?The voltage drop across a series-parallel circuit is the sum of the voltage drops across all the individual components in the circuit. In some cases, the voltage drops across the components may be equal and the statement in the question may hold true. However, in many cases, the voltage drops across the components will not be equal and the total voltage drop across the circuit will be different from one-half of the supply voltage.
The total voltage drop across a circuit depends on the specific values of the components in the circuit, such as the resistance, capacitance, or inductance. Therefore, the statement in the question cannot be generalized to all series-parallel circuits.
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how do you fix this code? python
from random import randint
class Character:
def __init__(self):
self.name = ""
self.health = 1
self.health_max = 1
def do_damage(self, enemy):
damage = min(
max(randint(0, self.health) - randint(0, enemy.health), 0),
enemy.health)
enemy.health = enemy.health - damage
if damage == 0: print "%s evades %s's attack." % (enemy.name, self.name)
else: print "%s hurts %s!" % (self.name, enemy.name)
return enemy.health <= 0
Answers
The correct code that fixes this bug-filled python code is:
from random import randint
class Character:
def __init__(self):
self.name = ""
self.health = 1
self.health_max = 1
def do_damage(self, enemy):
damage = min(
max(randint(0, self.health) - randint(0, enemy.health), 0),
enemy.health)
enemy.health = enemy.health - damage
if damage == 0:
print("%s evades %s's attack." % (enemy.name, self.name))
else:
print("%s hurts %s!" % (self.name, enemy.name))
return enemy.health <= 0
class Enemy(Character):
def __init__(self, player):
Character.__init__(self)
self.name = 'a goblin'
self.health = randint(1, player.health)
class Player(Character):
def __init__(self):
Character.__init__(self)
self.state = 'normal'
self.health = 10
self.health_max = 10
def quit(self):
print(
"%s can't find the way back home, and dies of starvation.\nR.I.P." % self.name)
self.health = 0
def help(self): print(Commands.keys())
def status(self): print("%s's health: %d/%d" %
(self.name, self.health, self.health_max))
def tired(self):
print("%s feels tired." % self.name)
self.health = max(1, self.health - 1)
def rest(self):
if self.state != 'normal':
print("%s can't rest now!" % self.name)
self.enemy_attacks()
else:
print("%s rests." % self.name)
if randint(0, 1):
self.enemy = Enemy(self)
print("%s is rudely awakened by %s!" %
(self.name, self.enemy.name))
self.state = 'fight'
self.enemy_attacks()
else:
if self.health < self.health_max:
self.health = self.health + 1
else:
print("%s slept too much." % self.name)
self.health = self.health - 1
def explore(self):
if self.state != 'normal':
print("%s is too busy right now!" % self.name)
self.enemy_attacks()
else:
print("%s explores a twisty passage." % self.name)
if randint(0, 1):
self.enemy = Enemy(self)
print("%s encounters %s!" % (self.name, self.enemy.name))
self.state = 'fight'
else:
if randint(0, 1):
self.tired()
def flee(self):
if self.state != 'fight':
print("%s runs in circles for a while." % self.name)
self.tired()
else:
if randint(1, self.health + 5) > randint(1, self.enemy.health):
print("%s flees from %s." % (self.name, self.enemy.name))
self.enemy = None
self.state = 'normal'
else:
print("%s couldn't escape from %s!" %
(self.name, self.enemy.name))
self.enemy_attacks()
def attack(self):
if self.state != 'fight':
print("%s swats the air, without notable results." % self.name)
self.tired()
else:
if self.do_damage(self.enemy):
print("%s executes %s!" % (self.name, self.enemy.name))
self.enemy = None
self.state = 'normal'
if randint(0, self.health) < 10:
self.health = self.health + 1
self.health_max = self.health_max + 1
print("%s feels stronger!" % self.name)
else:
self.enemy_attacks()
def enemy_attacks(self):
if self.enemy.do_damage(self):
print("%s was slaughtered by %s!!!\nR.I.P." %
(self.name, self.enemy.name))
Commands = {
'quit': Player.quit,
'help': Player.help,
'status': Player.status,
'rest': Player.rest,
'explore': Player.explore,
'flee': Player.flee,
'attack': Player.attack,
}
p = Player()
p.name = input("What is your character's name? ")
print("(type help to get a list of actions)\n")
print("%s enters a dark cave, searching for adventure." % p.name)
while(p.health > 0):
line = input("> ")
args = line.split()
if len(args) > 0:
commandFound = False
for c in Commands.keys():
if args[0] == c[:len(args[0])]:
Commands[c](p)
commandFound = True
break
if not commandFound:
print("%s doesn't understand the suggestion." % p.name)
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Some full-time 4WD sedans use a front engine and transaxle, with a drive shaft connected to drive the rear wheels.
Select one:
True
O False
Answers
Answer:true
Explanation:
___ is available in many areas and has no net increase in carbon dioxide emissions if forests are replanted.
Answers
Biomass energy is available in many areas and has no net increase in carbon dioxide emissions if forests are replanted.
Biomass refers to organic matter, such as wood, crop residues, and agricultural waste, that can be used as a renewable energy source. When biomass is burned or converted into biofuels, it releases carbon dioxide, but the emissions are considered carbon-neutral because the plants absorb an equivalent amount of carbon dioxide during their growth. By replanting forests or cultivating energy crops, the carbon dioxide emitted from biomass energy production can be offset, resulting in a net-zero carbon footprint. This makes biomass energy an environmentally friendly option for reducing greenhouse gas emissions and promoting sustainable energy sources.
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a strut of length l has its ends built into a material which exerts a constraining couple equal to k times the angular rotation in radians. show that the buckling load p is given by the equation
\( \tan( \alpha )l \div 2 = p \div \alpha k \: \: and \: \: \alpha { \}^{2} \)
\( \alpha \)
Answers
Answer:
fxruwrisris84drid85d59s59e95etod
Explanation:
urzrjxrjxrjr
68dtudrusditxx4ixtiurzrjzruzurzjfzirzjrz
(C) Briefly explain the difference between enthalpy and internal energy. (d) Briefly explain any one aspect of the 2^nd Law of thermodynamics.
Answers
Enthalpy is the thermodynamic potential of a system at constant pressure. It indicates how much energy is stored in a system in the form of heat.
The change in enthalpy is equal to the amount of heat absorbed or released by a system at a constant pressure. Internal energy, is the sum of all the microscopic energy states of a system. It includes the kinetic and potential energy of all the particles in a system. The change in internal energy is equal to the amount of heat absorbed or released by a system at a constant volume.
d) One aspect of the second law of thermodynamics is that it states that entropy of an isolated system always increases over time. Entropy is a measure of the randomness or disorder of a system. This means that over time, the amount of usable energy in a closed system will decrease, and the amount of unusable energy will increase. For example, when a hot object is placed in contact with a cold object, heat energy will flow from the hot object to the cold object until they reach thermal equilibrium.
During this process, the entropy of the system will increase, as the energy becomes more dispersed and less organized. This is why it is impossible to create a perfect heat engine that can convert all of the heat energy into work, without any loss of energy or increase in entropy.
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What can firefighters do to reduce the risk to people living in Skyview?
Answers
Answer:
The City can grant higher budgets to emergency services like the Fire Department, so a higher budget will allow engineers & scientists to innovate new technology and add more fire stations across the city.
Explanation:
A circuit-switching scenario in whichNcs users, each requiring a bandwidth of 25 Mbps, must share a link of capacity 150 Mbps.
A packet-switching scenario withNps users sharing a 150 Mbps link, where each user again requires 25 Mbps when transmitting, but only needs to transmit 10 percent of the time.
What is the probability that a given (specific) user is transmitting, and the remaining users are not transmitting?
Answers
Answer:
0.09
Explanation:
Packet switching involves breaking a message into packets and sending them independently. Since the user only needs to transmit 10 percent of the time, the probability that a given (specific) user is transmitting = 10% = 0.1
The probability that a user is not transmitting = 100% - 10% = 90% = 0.9
Therefore, the probability that a given (specific) user is transmitting, and the remaining users are not transmitting = 0.1 * 0.9 = 0.09
_____is a slow wireless technology used to connect devices within a radius of about 30 feet
Answers
Answer:
Bluetooth is a slow wireless technology used to connect devices within a radius of about 30 feet. While Bluetooth technology is amazing, there are lots of bugs involved with Bluetooth devices, and there is still lots to be discovered in this area of tech.
Describe the differences between case hardening and through hardening, insofar as engineering applications of metals are concerned.
Answers
Answer:
The answer is below
Explanation:
Case hardening is a form of steel hardening that is applied on mild steel with a high temperature of heat.
It results in material forming a hard surface membrane, while the inner layer is soft.
It is mostly used for universal joints, construction cranes, machine tools, etc.
On the other hand, Through hardening is a form of steel hardening in engineering that involves heat treatment of carbon steel.
It increases the hardness and brittleness of the material.
It is often used for axles, blades, nuts and bolts, nails, etc.
what can be the main disadvantage of pulse amplitude modulation?
Answers
Answer:
transmission bandwidth required is very large.
Explanation:
3. How can statistical analysis of a dataset inform a design process?
PLEASE I NEED THIS ANSWER
Answers
Answer:
you have to think then go scratch and then calculate and the design
Explanation:
The statistical analysis of a dataset inform a design process.
What is statistical analysis?Statistical analysis is a kind of tool which helps collect and analyze large amounts of data. This is helpful to identify common patterns of dataset and make trends to convert them into meaningful information.
Designers do make use of statistical analysis of dataset in design process.
Analysis is a key part of design process. Without analysis, nothing can be done in designing process.
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Air flows through a heating duct with a square cross-section with 9-inch sides at a speed of 6.1 ft/s. Just before reaching an outlet in the floor of a room, the duct widens to assume a square cross-section with sides equal to 13 inches. Compute the speed of the air flowing into the room (in ft/s), assuming that we can treat the air as an incompressible fluid.
Answers
Answer:
2.9237 ft/s
Explanation:
Given the data in the question;
A₁ = 9-inch × 9-inch = 81 in² = 81 / 144 = 0.5625 ft²
V₁ = 6.1 ft/s
A₂ = 13 in × 13 in = 169 in² = 1.17361 ft²
v₂ = ?
using the the equation if continuity
( Rate of volumetric flow is constant )
A₁V₁ = A₂V₂
we substitute
0.5625 ft² × 6.1 ft/s = 1.17361 ft² × V₂
3.43125 ft³/s = 1.17361 ft² × V₂
V₂ = 3.43125 ft³/s / 1.17361 ft²
V₂ = 2.9237 ft/s
Therefore, the speed of the air flowing into the room is 2.9237 ft/s
(10 points) for what range of k is the following transfer function stable? (use the routh stability test to estimate values of k) g(s) = 4s s4 4s3 8s2 5ks 9
Answers
Therefore, the range of k that will make the transfer function g(s) stable is k < 7.2. Any value of k within this range will ensure that all the coefficients in the first column of the Routh array are positive, and the system will be stable.
To determine the stability of the transfer function g(s) = 4s^5 + 4s^3 + 8s^2 + 5ks + 9, we can use the Routh-Hurwitz stability criterion. First, we will create a Routh array using the coefficients of the polynomial.
| 4 | 8 | 9 |
| --- | --- | --- |
| 4 | 5k | 0 |
| 1.25k | 9 | 0 |
| 9 - 1.25k | 0 | 0 |
For the system to be stable, all the coefficients in the first column of the Routh array must be greater than zero. So, we can set the inequality 9 - 1.25k > 0 and solve for k to find the range of values that will make the system stable.
9 - 1.25k > 0
1.25k < 9
k < 7.2
Therefore, the range of k that will make the transfer function g(s) stable is k < 7.2. Any value of k within this range will ensure that all the coefficients in the first column of the Routh array are positive, and the system will be stable.
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A soda can has a strain gage mounted on the surface of the can. upon opening the can, the strain gage shows that in the circumferential direction, the can was released from a strain of 0.0010. if the can has a radius of 3 cm, a wall thickness of 0.13 mm, and was made from an aluminum alloy with modulus of elasticity 70 gpa, compute the pressure that was inside the can before it was opened. report your answer in kpa relative to atmospheric pressure (i.e., the difference in pressure between the inside of the can and the surrounding atmosphere).
Answers
A pressure gradient is the differential in pressure between high and low pressure areas. At sea level, the average air pressure is around 101,000 Pa, or 101 kPa (kiloPascals).
How do you determine a strain gauge's value?Pressure in thin walled pressure vessels must be continuously monitored, according to ASME boiler rules. A cylinder with thin walls has a wall thickness of r/10, where r is the cylinder's radius. In this case, just the membrane stresses are taken into account, and it is assumed that they remain constant over the entire t-value for the wall thickness.A stress study of the tank's cross section, such as one along the following line, can be used to determine the hoop stress.Remember that in this situation, the relationship between strain and stress is eHoop = (sHoop - n sLong)/E (3), which may be rearranged for pressure by replacing Eqs. 1 and 2 into 3:P is equal to ete/[r (1 - n/2)] (4) where elastic modulus E = 12.7 x 106 psi and Poisson's ratio n = 0.30.for the test pressure vessels we used. Consequently, the pressure inside the tank can be immediately determined by a strain gauge positioned externally in the circumferential direction of the vessel.To learn more about ASME boiler rules refer to:
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NatGas Corporation obtains a federal license to operate a gas pipeline through a certain area of Oregon. The Oregon state legislature enacts a law that bans gas pipelines in that area. Most likely, the state law violates:________
a. the due process clause.
b. the supremacy clause.
c. the U.S. Constitution.
d. the commerce clause.
Answers
Answer:
c. the U.S. Constitution.
Explanation:
A Constitution refers to a set of written laws and principles which is typically used to determine the power and authority of the government, as well as guarantee the fundamental rights of its citizens.
Basically, the Constitution accords powers to the national or federal government and these includes; enumerated or delegated, reflected, and concurrent powers. Therefore, base on the US Constitution, any law, act, or license issued and approved by the federal government supercedes or overrides any state law.
In this scenario, NatGas Corporation obtains a federal license to operate a gas pipeline through a certain area of Oregon. The Oregon state legislature enacts a law that bans gas pipelines in that area. Most likely, the state law violates the U.S. Constitution because a federal law is supreme.
A ___________ is defined as a change in shape of the part between the damaged and undamaged area hat is smooth and continuous . When the part is straightened, it is returned to proper shape and state without any areas of permanent deformation.
Answers
A bend is defined as a change in the shape of the part between the damaged and undamaged area that is smooth and continuous.
What is a kink?
A kink can be defined as a sharp bend with a small radius over a short distance.
So when any part is kinked it must be replaced without any doubt. A part is kinked if it just doesn't work on the repair.
What is a bend?
Unlike a kink, a bend can be restored. That is after a bend also a part can be bought back to its original position.
When the part is straightened, it is returned to proper shape and state without any areas of permanent deformation.
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Tyler is developing a robot that can be sent into war zones to ensure that any mines have been detonated before soldiers are sent into the area. The government is requiring a full scale model of this robot before it is willing to purchase one
Answers
The reason a prototype is necessary before committing to a purchase in this scenario is that the robot might be very expensive.
What is a prototype?In Engineering, a prototype can be defined as a rudimentary (early) model, release, or sample of a particular product, so as to avail the developers and manufacturers an opportunity and ability to test a concept, functionality, or process within it.
This ultimately implies that, the main purpose of the prototype of a robot is to determine and show whether or not the robot and all of its features are in tandem with the design specifications and market requirements.
In this context, we can reasonably infer and logically deduce that the government requested for a full scale model of the robot before it would purchase one because it is most likely to be very expensive.
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Complete Question:
Tyler is developing a robot that can be sent into war zones to ensure that any mines have been detonated before soldiers are sent into the area. The government is requiring a full-scale model of this robot before it is willing to purchase one.
What explains why a prototype is necessary before committing to a purchase in the following scenario?
what acts like shock absorbers in the bottom of buildings
Answers
In the context of buildings, structures designed to mitigate the effects of seismic activity or strong winds are commonly referred to as seismic or base isolators.
These isolators act as shock absorbers to reduce the transmission of vibrations and energy from the ground to the building. Seismic or base isolators typically consist of various materials or devices that can absorb and dissipate energy. Some commonly used types of isolators include:
1. Rubber or Neoprene Bearings: These are made of rubber or neoprene pads that provide flexibility and damping to absorb and dissipate energy during seismic events.
2. Sliding Bearings: Sliding bearings allow the building to slide horizontally on a low-friction surface, such as PTFE (polytetrafluoroethylene). This sliding motion helps to reduce the transfer of seismic forces to the building.
3. Fluid Dampers: Fluid dampers utilize the properties of viscous fluid to absorb and dissipate energy. They consist of cylinders filled with a viscous fluid that flows through small orifices, generating resistance against the motion caused by seismic forces.
4. Steel Springs: Steel springs can be used as shock absorbers to reduce the impact of seismic or wind loads. They provide flexibility and absorb energy by deforming under the applied forces.
These seismic or base isolators are strategically placed at the base or foundation of the building to reduce the transfer of vibrations and energy. By incorporating these shock-absorbing mechanisms, buildings can better withstand seismic events and minimize structural damage.
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NEED ASAP WILL GIVE BRAINLIEST IF RIGHT
Read the following claim.
Tiera Fletcher's parents supported their daughter in her endeavors.
How would Tiera Fletcher MOST likely respond to this claim?
(A) She would agree but also point to occasions where they were a little too strict and forced her to take
certain classes.
(B) She would agree and say they supported her interests and did a lot to ensure she got into special
science programs.
(C) She would disagree but also point to some instances where they attempted to show some curiosity
about her career.
(D) She would disagree and say that they were actively trying to get her to choose another field of study
other than engineering.
Answers
Answer:
(C) She would disagree but also point to some instances where they attempted to show some curiosity about her career.
Tensile Strength (MPa) Number-Average Molecular Weight (g/mol)
82 12,700
156 28,500
The tensile strength and number-average molecular weight for two polyethylene materials given above. Estimate the number-average molecular weight that is required to give a tensile strength required above. Using the data given find TS (infinity) in MPa.
Answers
Answer:
\(\mathbf{T_{S \infty } \ \approx 215.481 \ MPa}\)
\(\mathbf{M_n = 49163.56431 \ g/mol }\)
Explanation:
The question can be well structured in a table format as illustrated below:
Tensile Strength (MPa) Number- Average Molecular Weight (g/mol)
82 12,700
156 28,500
The tensile strength and number-average molecular weight for two polyethylene materials given above.
Estimate the number-average molecular weight that is required to give a tensile strength required above. Using the data given find TS (infinity) in MPa.
SOLUTION:
We know that :
\(T_S = T_{S \infty} - \dfrac{A}{M_n}\)
where;
\(T_S\) = Tensile Strength
\(T_{S \infty}\) = Tensile Strength (Infinity)
\(M_n\) = Number- Average Molecular Weight (g/mol)
SO;
\(82= T_{S \infty} - \dfrac{A}{12700} ---- (1)\)
\(156= T_{S \infty} - \dfrac{A}{28500} ---- (2)\)
From equation (1) ; collecting the like terms; we have :
\(T_{S \infty} =82+ \dfrac{A}{12700}\)
From equation (2) ; we have:
\(T_{S \infty} =156+ \dfrac{A}{28500}\)
So; \(T_{S \infty} = T_{S \infty}\)
Then;
\(T_{S \infty} =82+ \dfrac{A}{12700} =156+ \dfrac{A}{28500}\)
Solving by L.C.M
\(\dfrac{82(12700) + A}{12700} =\dfrac{156(28500) + A}{28500}\)
\(\dfrac{1041400 + A}{12700} =\dfrac{4446000 + A}{28500}\)
By cross multiplying ; we have:
\(({4446000 + A})* {12700} ={28500} *({1041400 + A})\)
\((5.64642*10^{10} + 12700A) =(2.96799*10^{10}+ 28500A)\)
Collecting like terms ; we have
\((5.64642*10^{10} - 2.96799*10^{10} ) =( 28500A- 12700A)\)
\(2.67843*10^{10} = 15800 \ A\)
Dividing both sides by 15800:
\(\dfrac{ 2.67843*10^{10} }{15800} =\dfrac{15800 \ A}{15800}\)
A = 1695208.861
From equation (1);
\(82= T_{S \infty} - \dfrac{A}{12700} ---- (1)\)
Replacing A = 1695208.861 in the above equation; we have:
\(82= T_{S \infty} - \dfrac{1695208.861}{12700}\)
\(T_{S \infty}= 82 + \dfrac{1695208.861}{12700}\)
\(T_{S \infty}= \dfrac{82(12700) +1695208.861 }{12700}\)
\(T_{S \infty}= \dfrac{1041400 +1695208.861 }{12700}\)
\(T_{S \infty}= \dfrac{2736608.861 }{12700}\)
\(\mathbf{T_{S \infty } \ \approx 215.481 \ MPa}\)
From equation(2);
\(156= T_{S \infty} - \dfrac{A}{28500} ---- (2)\)
Replacing A = 1695208.861 in the above equation; we have:
\(156= T_{S \infty} - \dfrac{1695208.861}{28500}\)
\(T_{S \infty}= 156 + \dfrac{1695208.861}{28500}\)
\(T_{S \infty}= \dfrac{156(28500) +1695208.861 }{28500}\)
\(T_{S \infty}= \dfrac{4446000 +1695208.861 }{28500}\)
\(T_{S \infty}= \dfrac{6141208.861}{28500}\)
\(\mathbf{T_{S \infty } \ \approx 215.481 \ MPa}\)
We are to also estimate the number- average molecular weight that is required to give a tensile strength required above.
If the Tensile Strength (MPa) is 82 MPa
Definitely the average molecular weight will be = 12,700 g/mol
If the Tensile Strength (MPa) is 156 MPa
Definitely the average molecular weight will be = 28,500 g/mol
But;
Let us assume that the Tensile Strength (MPa) = 181 MPa for example.
Using the same formula:
\(T_S = T_{S \infty} - \dfrac{A}{M_n}\)
Then:
\(181 = 215.481- \dfrac{1695208.861 }{M_n}\)
Collecting like terms ; we have:
\(\dfrac{1695208.861 }{M_n} = 215.481- 181\)
\(\dfrac{1695208.861 }{M_n} =34.481\)
1695208.861= 34.481 \(M_n\)
Dividing both sides by 34.481; we have:
\(M_n\) = \(\dfrac{1695208.861}{34.481}\)
\(\mathbf{M_n = 49163.56431 \ g/mol }\)
In poor weather you should___ your following distance
Answers
A 150-horsepower motor is to be installed on a 480-volt three phase line. What is the minimum size NEMA starter that should be used for this installation
Answers
When installing a 150 horsepower motor on a 480-volt three-phase line, what is the minimum size NEMA starter that should be used.
The minimum size NEMA starter that should be used when installing a 150 horsepower motor on a 480-volt three-phase line is a NEMA size 6 starter. A motor starter is an electromechanical device that is used to start and stop a motor in a controlled manner.
The National Electrical Manufacturers Association (NEMA) has established ratings for motor starters. The NEMA size specifies the physical size of the motor starter and its capability of handling the current and voltage requirements of the motor that it is meant to control.
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The actual Rankine cycle has an 88.18% turbine isentropic efficiency and 81.69% pump isentropic efficiency. If in the ideal Rankine cycle, the heat input in the boiler = 919 kW, the turbine work output = 407 kW, and pump work input = 13 kW, what is the actual cycle thermal efficiency if the heat input in the boiler is the same for the actual cycle? Express your answer in percent.
Answers
The actual cycle thermal efficiency can be calculated by comparing the actual work output of the turbine and the actual work input of the pump with the heat input in the boiler.
The thermal efficiency is the ratio of the network output to the heat input. First, we need to calculate the network output by subtracting the pump work input from the turbine work output. Then, we divide the network output by the heat input in the boiler and multiply by 100 to express the result as a percentage.
Given the values provided, the actual cycle thermal efficiency can be determined using the formula: Actual cycle thermal efficiency = (Turbine work output - Pump work input) / Heat input in the boiler * 100. By substituting the values into the formula, we can calculate the actual cycle thermal efficiency.
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A ring of aluminum bronze alloy has internal diameter 300mm and 50mm wide. The coefficient of cubic expansion of alloy is 51 ×106^-6/°C. For a temperature rise of 600°C, find the following in mm:
a). The final internal diameter
b). The change in width of the ring
Answers
After a temperature increase of 600°C, the ring's width changes by about 1.53 mm.
What is the aluminium bronze's thermal conductivity?In comparison to steel, cast iron, and other ferrous metals, aluminium bronzes and other copper-based alloys have better heat dissipation qualities needed for bearing performance. The typical heat conductivity of aluminium bronze, measured as 226 BTU/square foot/hour/degree F 68 degrees F, is about 15% that of copper.
a) After a 600°C temperature increase, we may apply the following formula to determine the ring's final interior diameter: ΔL = α L ΔT
We can apply the following formula as we are interested in the variation in diameter: ΔD = 2ΔL
Thus, the change in diameter is: ΔD = 2αLΔT
= 2 × 51 × 10^-6/°C × 150 mm × 600°C
= 4.59 mm
The final internal diameter of the ring is:
Df = Di + ΔD
= 300 mm + 4.59 mm
= 304.59 mm
The ring's final interior diameter, then, is roughly 304.59 mm after a temperature increase of 600°C.
We may once more apply the following formula to get the change in ring width: ΔL = α L ΔT
The length change is therefore: L = LT.
= 51 × 10^-6/°C × 50 mm × 600°C
= 1.53 mm
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prescription eye protection suitable for an electrician should always include
Answers
Answer:
If prescription lenses are required, they must be covered by protective goggles or the lenses and frames must be ANSI approved.
Explanation:
this includes side shields for angular protection. Goggles and safety glasses are primary protectors. Goggles fit around the area of the face near the eye. hope this helps you :)
Fiscal policy defined
Answers
Fiscal policy is the use of government spending and taxation to influence the economy. It involves decisions made by the government regarding how much money should be spent on public goods and services, such as education, healthcare, and infrastructure, and how much revenue should be collected through taxes.
Fiscal policy is often used to promote economic growth and stability, such as during a recession when the government may increase spending to stimulate the economy. However, it can also be used to combat inflation by reducing government spending and increasing taxes.
Fiscal policy is defined as the use of government revenue collection (taxation) and expenditure (spending) to influence the economy. It is a tool utilized by the government to achieve economic objectives, such as promoting growth, managing inflation, reducing unemployment, and maintaining a stable balance of payments. Fiscal policy can be adjusted through changes in tax rates, government spending, and public debt management, depending on the economic goals and prevailing conditions.
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True or false
Consumer is the end user
Client is usually a company
Consumer is usually a company
Client is the end user
Consumer is the end user
Client is usually a company
Consumer is usually a company
Client is the end user
Answers
Answer:
Explanation:
a) True
b) False
c) False
d) False
e) True
f) False
g) False
h)False
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the safety controls of comfort cooling systems include ____.
Answers
The safety controls of comfort cooling systems include thermostats. A device that monitors temperature fluctuations with the aim of keeping an enclosed space's temperature essentially constant.
The thermostat, air blowing unit, air filter evaporator, condenser coil, and compressor are the six major air conditioning parts that homeowners need to be aware of. The thermostat generates signals—typically electrical ones—when the temperature rises or falls above or below the intended level in a system that also includes relays, valves, switches, etc. A thermostat is a tool that regulates temperature by turning a system or motor on or off. For instance, thermostats are utilized in refrigerators and central heating systems. The thermostat shows the ambient temperature and uses this data to turn on and off your HVAC system.
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The space between two square flat parallel plate is filled with oil. Each side of
the plate is 600mm. The thickness of the oil films is 12.5mm. The upper
plate, which moves at 2.5m /s, requires a force of 98.1 N to maintain the
speed. Determine
I.The dynamic viscosity of the oil in poise.
Ii.The kinematic viscosity of the oil in strokes if the specific gravity of the oil
is 0.95
Answers
The dynamic viscosity of the oil in poise is 13.625 pois
The kinematic viscosity of the oil in strokes is 14.34
How to solve for the dynamic viscosityF viscous is given as n* ΔFr / Δy
where n = F * Δy / A * ΔVn
We have to define the terms of the formula
Δy = 12.5 x 10⁻³
ΔVr = 2.5m /s
A = 60 x 60 cm² = 0.36m
F = 98.1 n
We have to put the values in the formula
98.1 n * 12.5 x 10⁻³ / 0.36m * 2.5m /s
n = 1.3625 ns / m²
The kinematic viscosity of the oil in strokes if the specific gravity of the oil is 0.95
y = n / e
n = 1.3625
e = 0.95 x 10³
y = 1.3625 / 0.95 x 10³
= 1.434 x 10⁻³
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