Engineering » Page 62

Engineering

Fawn

The velocity ratio of a chain drive is 10. The diameter of the input sheave is 38 cm and it is rotating at a speed of 22 rad⁄s. Find the diameter of the output sheave and its angular velocity.

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Engineering

Juliet

A guy named Kirby Had touched only a gear on the projector. Yet there was a out of the blue rip. Kirby did not mind at all and started the projector. Things went wrong and the tape would not work. What ripped?

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Engineering

Emelia Oconnor

Were is carbon monoxide located in a car

A. the exhaust gases with loud mufflers only

B. all exhaust gases from all gasoline engines

C. the exhaust gases of poorly maintained vehicles only

D. the exhaust gases of older vehicles only

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Engineering

Janae Levine

Twenty degree C air enters a tube bank which is to be used to remove 150 [kW] of heat from condensing refrigerant. The refrigerant is flowing inside the tubes of the bank and causes the external tube surfaces to be maintained at 100o C. The air is accelerated by a fan to 8 [m/s] upstream of the bank. The bank is to be constructed of transverse rows of fifty 8 [mm] O. D. tubes 0.75 [m] wide with the center-to-center transverse spacing equal to 15 [mm].

Calculate the exit temperature of the air from the bank

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Engineering

Sarahi Meyers

3. Technician A says passive permanent

magnet ABS wheel speed sensors produce an

A/C voltage signal. Technician B says input

from wheel speed sensors are used for anti-

lock brake, electronic traction control, and

electronic stability control systems. Who is

correct?

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Engineering

Brenna Carney

The method of breaking digital messages into small fixed bundles, transmitting them along different communication paths, and reassembling them at their destination is called:

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Engineering

Jaelynn Burton

Are cylinder heads made out of aluminum or cast iron?

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Engineering

Duckling

Block B starts from rest and moves downward with a constant acceleration. Knowing that after slider block A has moved 400 mm its velocity is 4 m/s, determine (a) the accelerations of A and B, (b) the velocity and the change in position of B after 2 s.

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Engineering

Conway

Fixed objects that fix a location are called

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Engineering

Amanda Dunlap

6. For the following waste treatment facility, chemical concentration (mg/gal) within the tank can be considered uniform. The initial chemical concentration inside the tank was 5 mg/gal, the concentration of effluent coming in is 20 mg/gal. The volume of the tank is 600 gallons. The fluid coming in rate is equal to fluid going out is equal to 60 gal/min. (a) Establish a dynamic model of how the concentration of chemical inside the tank increases over time. Specify the units for your variables. (Hint: establish a mass balance of the waste chemical. The concentration inside the tank = concentration going out) (b) Find the Laplace transformation of the concentration (transfer function) for this step input of 20 mg/gal.

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Engineering

Rosales

A 7.80 in. diameter shaft contains a 0.900 in. deep U-shaped groove that has a 0.60 in. radius at the bottom of the groove. The maximum shear stress in the shaft must be limited to 6000 psi. If the shaft rotates at a constant angular speed of 5.0 Hz, determine the maximum power that may be delivered by the shaft.

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Engineering

Abril Rangel

Which is NOT part of the clutch assembly?

Question 3 options:

A)

Engine crankshaft

B)

Release (throwout) bearing

C)

Flywheel

D)

Pressure plate

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Engineering

Grumpy

River models are used to study many different types of flow situations. A certain small river has an average width and depth of 65 ft and 7 ft, respectively, and carries water at a flow rate of 775 ft3 / s. A model is to be designed based on Froude number similarity so that the discharge scale is 250. At what width and flowrate would the model operate?

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Engineering

Micheal Ward

Suppose values is a sorted array of integers. Give pseudocode that describes how a new value can be inserted so that the resulting array stays sorted.

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Engineering

Amira

In what situation you would prefer to use a successive approximation ADC over flash ADC?

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