Calculate the allowable bending moment for a solid rectangular 6-in.-by-16-in. timber beam if the allowable bending stress is 1000 psi. Assume that the large dimension is vertical and parallel to the applied loads.
(a) Use nominal dimensions.
(b) Use dressed dimensions.

Answer:

Explanation:

The camshaft lobe moves the lifter upwards, which moves the pushrod. The top end of the pushrod pushes on the rocker arm, which opens the valve.

Answer:

A) 211.81 m

B) 65°

Explanation:

We are told that the first friend hits a golf ball on level ground with an initial speed of 47 m/s at an angle of 35° above the horizontal.

Thus;

speed; u = 47 m/s

Projection angle; θ = 35°

A) We want to find how far away from the golfer the ball lands. This is simply the range. Range in projectile motion is given by the formula;

R = (u²•sin 2θ)/g

Plugging in the relevant values, we have;

R = (47² × sin(2 × 35))/9.8

R = 211.81 m

B) We are told that the second ball, travels the same horizontal distance as what is found in part (a).

Thus, R remains 211.81 m

Thus, the angle above horizontal of the initial velocity of this second golf ball will be;

90° - projection angle(θ) = 90 - 35 = 65°

The statement "Road grime can reduce headlight illumination up to 50 percent" is true.

This is because road grime, dirt, and debris can accumulate on head lights and obstruct the light output. This can reduce the illumination of the headlights and make it harder to see while driving at night or in low-light conditions.

To ensure maximum visibility and safety while driving, it is important to regularly clean your headlights and remove any buildup of road grime or other debris.

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In materials that are in direct contact with one another, heat transmission happens through the conduction process. Usually, solids are where it happens.

1.8. Conduct Heat transfer is the movement of heat through materials without the mass of the material moving. Conduction, on the other hand, is the movement of energy from more energetic to less energetic particles of a substance as a result of particle contact.

Heating a skillet on a stove is a typical example of conduction. The pan's surface receives heat directly from the burner.

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Answer:

mass flow rate = 0.0534 kg/sec

velocity at exit = 29.34 m/sec

Explanation:

From the information given:

Inlet:

Temperature \(T_1 = -16^0\ C\)

Quality \(x_1 = 0.2\)

Outlet:

Temperature \(T_2 = -16^0 C\)

Quality  \(x_2 = 1\)

The following data were obtained at saturation properties of R134a at the temperature of -16° C

\(v_f= 0.7428 \times 10^{-3} \ m^3/kg \\ \\ v_g = 0.1247 \ m^3 /kg\)

\(v_1 = v_f + x_1 ( vg - ( v_f)) \\ \\ v_1 = 0.7428 \times 10^{-3} + 0.2 (0.1247 -(0.7428 \times 10^{-3})) \\ \\ v_1 = 0.0255 \ m^3/kg \\ \\ \\ v_2 = v_g = 0.1247 \ m^3/kg\)

\(m = \rho_1A_1v_1 = \rho_2A_2v_2 \\ \\ m = \dfrac{1}{0.0255} \times \dfrac{\pi}{4}\times (1.7 \times 10^{-2})^2\times 6 \\ \\ \mathbf{m = 0.0534 \ kg/sec}\)

\(\rho_1A_1v_1 = \rho_2A_2v_2 \\ \\ A_1 =A_2 \\ \\ \rho_1v_1 = \rho_2v_2 \\ \\ \implies \dfrac{1}{0.0255} \times6 = \dfrac{1}{0.1247}\times (v_2)\\ \\ \\\mathbf{\\ v_2 = 29.34 \ m/sec}\)

The egg-shaped surfaces machined onto a camshaft are called the Camshaft lobes.

As the camshaft rotates, lobes (referred to as cams) push against the valves to open them; the valves' springs close the valves back up. This is a crucial task that can significantly affect how well an engine performs at various speeds.

As long as the wear on the lobes is not extreme, camshafts can be rebuilt. Examples of a rebuildable and non-rebuildable camshaft are shown above.

The term "camshaft lobes" refers to the egg-shaped surfaces machined onto a camshaft.

Thus, answer is Camshaft lobes.

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The rate of heat transfer by the air conditioner using constant specific heat of 1.004kj/kg.K is 15.06 kW.

Rate of heat transfer is the power rating of the machine.

Work done and changes in potential and kinetic energy are neglected since it is a steady state process.

The specific heat in terms of specific heat capacity and temperature change is given as:

\(q_{out} = Cp(Ti - Te)\)

\(q_{out} = 1.004(30 - 10) = 20.08 kJ/kg \\ \)

The rate of heat transfer, is then determined as follows:

Qout = 0.75 × 20.08 = 15.06 kW

Therefore, the rate of heat transfer by the air conditioner is 15.06 kW.

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Answer:

A)

It should be Non- toxic

It should possess high Thermal conductivity

It should have the Required Thermal diffusivity

B)

C)   All the materials are suitable because they serve different purposes when making modern kitchen cookware

Explanation:

A) characteristics required of a ceramic material to be used as a kitchen cookware

B) comparison of three ceramic materials as to their relative properties

C) material most suitable for the cookware.

 All the materials are suitable because they serve different purposes when making modern kitchen cookware

To determine the convection heat flux in each scenario, we can use the formula Q = hA(T_surface - T_surrounding), where Q is the heat flux, h is the convection coefficient, A is the surface area, and T_surface and T_surrounding are the temperatures of the surface and the surrounding medium, respectively.

For scenario (a):
- Vehicle speed: 40 km/h
- Air temperature: -8°C
- Surface temperature: 30°C
- Convection coefficient: 40 W/m²·K

First, we need to convert the vehicle speed from km/h to m/s:
40 km/h = (40 * 1000) m / (60 * 60) s ≈ 11.11 m/s

Next, we can calculate the heat flux:
Q = 40 W/m²·K * A * (30°C - (-8°C))

Now, let's move on to scenario (b):
- Water stream velocity: 0.2 m/s
- Water temperature: 10°C
- Surface temperature: 30°C
- Convection coefficient: 900 W/m²·K

For this scenario, we can calculate the heat flux using the same formula:
Q = 900 W/m²·K * A * (30°C - 10°C)

To determine which condition feels colder, we compare the heat flux values. The higher the heat flux, the faster heat is transferred away from the hand, making it feel colder.

Now, let's compare the heat flux values with the approximate heat flux under normal room conditions (30 W/m²):
- If the heat flux is higher than 30 W/m², the condition would feel colder.
- If the heat flux is lower than 30 W/m², the condition would feel warmer.

To find the convection heat flux, we use the formula Q = hA(T_surface - T_surrounding). By calculating the heat flux for each scenario, we can determine which condition would feel colder by comparing the values with the approximate heat flux under normal room conditions.

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Answer:

The original seven wastes, or muda, are transportation, inventory, motion, waiting, overproduction, overprocessing and defects. ... When manufacturers are able to identify the seven wastes, they can correct and prevent further loss of time, money and other resources.

Explanation:

Answer:

transportation, inventory,motion, waiting,overproduction,overprocessing,and defects

Explanation:

they are often referred to by the acronym TIMWOOD

B

a jsdnjwevhfgruewbkuwygru

The scenario with the terminology it represents should be matched as follows:

A ratio can be defined as a mathematical expression that's used to denote the proportion of two (2) or more quantities with respect to one another and the total quantities.

A proportion can be defined as an expression which is typically used to represent (indicate) the equality of two (2) ratios. This ultimately implies that, proportions can be used to establish that two (2) ratios are equivalent and solve for all unknown quantities.

A scale factor can be defined as the ratio of two (2) corresponding length of sides or diameter in two similar geometric figures such as polygons.

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Answer:

Ratio: Justin’s car can drive 10 miles per gallon, or 10:1. He wants to travel 40 miles, meaning he needs at least 4 gallons in his car (10:1 = 40:4).

Proportion: Jonathan designs a new car. The car can run 48 miles per gallon, or 48:1.

Scale: Kinsey’s sketches show the design of her lawn mower with its exact proportions but in a smaller size.

Explanation:

Took the quiz 100%

Answer: Nuclear to thermal to mechanical to electrical.

Explanation:

Nuclear energy is also referred to as atomic energy which will then lead to the generation of the thermal energy. It should be noted that the thermal energy is also referred to as the heat energy and this is due to the rise in temperature which results in the faster movement of atoms and their collision with one another.

This in turn, brings about the mechanical energy which is simply the energy caused by the motion and this in turn, also lead to electrical energy.

Therefore, the correct answer is Nuclear to thermal to mechanical to electrical.

Answer: None of the above

Explanation:

Business process modeling refers to the graphical representation of the business processes of a company, which is vital in the identification of potential improvements.

Business pticess modelling can be done through graphing methods, like data-flow diagram, flowchart etc. It is vital as business managers can effectively and quickly communicate their ideas.

It also enhances the customization of business processes, enhances the competitive advantage and enhances the process communication as well.

Therefore, the answer to the question will be "None of the above".

Answer:

What do u need it for just gaming or for streaming and other things

Liquids that boil at relatively low temperatures are often stored as liquids under their vapor pressures, which at ambient temperature can be quite large.

Thus, n-butane stored as a liquid/vapor system is at a pressure of 2.581 bar for a temperature of 300 k.

Large-scale storage (>50 m3) of this kind is sometimes done in spherical tanks.

Suggest two reasons why this shape is preferred over others.

Liquids that boil at low temperatures are quite volatile and hence require special care during storage.

The storage is done under vapor pressure.

n-butane is one such liquid that boils at a relatively low temperature.

When stored as a liquid/vapor system,

it is at a pressure of 2.581 bar for a temperature of 300 K.

Large-scale storage of such liquids is usually done in spherical tanks.

Here are two reasons why the spherical shape is preferred over other shapes for storage of such volatile liquids.

The pressure is uniformly distributed:

When stored in a spherical tank, the pressure is uniformly distributed.

The uniform pressure distribution helps in preventing the tank from getting damaged, ensuring safety.

This is not the case with other tank shapes.

The uniform pressure distribution is due to the spherical shape that provides a greater surface area to the volume ratio.

Maximizes volume for surface area:

The spherical shape is preferred for storage of such liquids because it maximizes the volume for a given surface area.

This provides a more economical and compact way of storing large volumes of such volatile liquids.

The spherical shape of the tank provides a maximum volume for a given surface area,

which makes it an efficient way of storing large volumes of such volatile liquids.

Hence, the spherical shape is preferred over other shapes for storing large volumes of such volatile liquids.

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The dual problem of a linear programming problem can be found by flipping the inequality signs and re-assigning the objective function as a constraint.

Given the following linear programming problem min 4x1 - 3 x2 subject to 3x1 - x2 ≤ 6 5x1 - 4x2 ≥ 8 x1 - 6x2 =5 x1, x2 ≥ 0To find the dual of the problem, the following steps can be taken:

Step 1: Flip the problem The first step in finding the dual problem is to flip the inequality signs of the constraint of the original problem. The constraints of the original problem are as follows:3x1 - x2 ≤ 65x1 - 4x2 ≥ 8x1 - 6x2 = 5Flipping the inequality signs of the above equations results in the following:3x1 - x2 ≥ 65x1 - 4x2 ≤ 8x1 - 6x2 = 5

Step 2: Re-assign the objective The next step is to re-assign the objective function of the original problem as a constraint. That is, the coefficients of the original objective function are used as constraints in the dual problem. Thus, for the given problem,

we have:4x1 - 3x2 = x0Step 3: Formulate the dual problem The dual problem can now be formulated by using the re-assigned objective function and the flipped inequality signs of the original problem. The coefficients of the original problem form the new objective function of the dual problem, while the flipped inequalities form the constraints of the dual problem. Therefore, the dual problem of the given problem is: minimize 6y1 + 8y2 + 5y3, subject to:3y1 + 5y2 + y3 ≥ 4- y1 - 4y2 - 6y3 ≥ -3Where y1, y2 and y3 are the dual variables corresponding to the original constraints. Thus, the dual problem of the given problem has been found.

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how am I going to do this, I have a friend that might be able to help I will check

The limits within which the measurement must lie are 5.95 cm to 6.05 cm.

The limits within which the measurement must lie can be determined by considering the possible maximum and minimum values when rounding to the nearest millimeter.

When rounding to the nearest millimeter, a measurement can be rounded up or down. In this case, the measurement is 6.0 cm, which is equivalent to 60 mm.

Rounding up, the maximum value would be 60.5 mm, which corresponds to a side length of 6.05 cm.

Rounding down, the minimum value would be 59.5 mm, which corresponds to a side length of 5.95 cm.

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Answer: A hand-held sledgehammer

Answer:

The answer to your question is a sledgehammer

Explanation:

A hand-held sledgehammer can be used when a great deal of driving power is required.

I hope this helps and have a wonderful day!

A diameter of approximately 1/8 inch for welding a 1/8 inch thick base metal.

To determine the appropriate electrode size for a 1/8 inch thick base metal, you should follow these steps:

Identify the base metal thickness: In this case, it is 1/8 inch thick.
Consider the material type: Since the material type is not specified, I will provide a general guideline.
Use the rule of thumb for electrode selection: For most materials, a common rule of thumb is to use an electrode with a diameter approximately equal to the thickness of the base metal.

Based on these guidelines, you should use an electrode with a diameter of approximately 1/8 inch for welding a 1/8 inch thick base metal. Please note that this is a general recommendation and may vary depending on the specific material and welding process being used.

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Answer:

the police officer cruise each streets precisely once and he enters and exit with the same gate.

Explanation:

NB: kindly check below for the attached picture.

The term ''Euler circuit'' can simply be defined as the graph that shows the edge of K once in a finite way by starting and putting a stop to it at the same vertex.

The term "Hamiltonian Circuit" is also known as the Hamiltonian cycle which is all about a one time visit to the vertex.

Here in this question, the door is the vertex and the road is the edge.

The information needed to detemine a Euler circuit and a Hamilton circuit is;

"the police officer cruise each streets precisely once and he enters and exit with the same gate."

Check attachment for each type of circuit and the differences.

the police officer cruise each streets precisely once and he enters and exit with the same gate.

You get a result immediately from Euler's formula:

e ^(i π/2) = cos(π/2) + i sin(π/2) = 0 + i * 1 = i

1. Total Number of Employees in Aircraft Repair Shop = Number of People in Engine Overhaul + Number of People in Aircraft Overhaul + Number of People on Engine Operational Checks + Number of People on Airframe Operation Checks + Number of Inspectors + Number of Welders + Number of Foreman= 12 + 27 + 8 + 4 + 3 + 2 + 1= 57 employees.

2. The weight of an empty Boeing 747 is 300000 pounds, fuel load is 25 tons = 50,000 pounds, 300 passengers with an average weight of 170 pounds = 51,000 pounds, 40000 pounds of cargo = 40000 pounds

. So, Gross Weight of Aircraft = Empty Weight + Fuel Load + Passengers Weight + Cargo= 300000 + 50000 + 51000 + 40000= 441,000 pounds.

3. The diameter of the drilled hole is 1.250 inches, so the diameter of the bolt for the hole should be 1.250 inches – 0.003 inches = 1.247 inches.

4. Each tire will have 9 bolts, 1 nut, and 2 washers.

As per the given data, there are 85 bolts, 50 nuts, and 100 washers which can be reused.

Therefore, the total number of bolts, nuts, and washers required for 20 tires are:

Bolts required for 20 tires= Total number of bolts required – bolts which can be reused= (20 × 9) – 85= 35 nuts required for 20 tires= Total number of nuts required – nuts which can be reused= (20 × 9) – 50= 100 washers required for 20 tires= Total number of washers required – washers which can be reused= (20 × 9 × 2) – 100= 260.

So, 35 bolts, 100 nuts, and 260 washers will have to be issued from stock.

5. The piece of tubing of 18 inches is cut into 4 pieces. The saw cut is 1/16 inch wide. So, 4 saw cuts are 4 × 1/16 = 1/4 inch. The total length of the pieces after cutting = 3 + 2 + 6 + 1/4= 11.25 inches.

Therefore, the length of the remaining piece of tubing = 18 – 11.25= 6.75 inches.

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Answer:

Increase in stroke volume brings about increase in pump rate .the relationship between them is linearly proportional.

Explanation:

Increase in stroke volume brings about increase in pump rate .the relationship between them is linearly proportional.

The rate at which blood is been pumped by the heart depends on the Stroke volume as well as heart rate. The stroke volume gives the quantity of blood that is been pumped by the heart Everytime it beats.

One of the important factor that determine the Cardiac output is Stroke volume. And injection fraction is calculated as (stroke volume/

end-diastolic volume)

Answer: B, plumb bob

Explanation:

A plumb bob's main job was to establish what is true (ie vertical and perpendicular to a surface,) as well as the secondary task of marking these points.

Compasses are mainly used to draw circles, protractors are used to measure angles, and rulers are used to measuring length.

Answer:

Development of creative and develop ideas

Explanation:

First task as an entrepreneur is to be creative and develop ideas. The person must design the product based on which he will develop the business strategy.

The remaining activities such as marketing, fund raising, recruitment etc. comes at a later stage.

Answer:

540 W

Explanation: