100 degrees F is about ________ degrees C.

A) 20
B) 38
C) 50
D) 45


B) 38

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The use of a variable vane turbocharger allows the elimination of the ________

A) Diesel oxygen sensor B) Intake air cooler C) Turbocharger wastegate D) Exhaust cooler

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Thermal energy transfer is called

a. temperature difference b. heat difference c. temperature flux d. heat

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The voltage produced by a magnetic field cutting through a conductor depends on the ________

A) direction of motion B) length of the conductor C) speed of motion D) all of the above

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A PM DC motor with torque constant kPM is used to power a hydraulic pump; the pump is a positive displacement type and generates a flow proportional to the pump velocity: qp = kp?. The fluid travels through a conduit of negligible resistance; an accumulator is included to smooth out the pulsations of the pump. A hydraulic load (modeled by a fluid resistance R) is connected between the pipe and a reservoir (assumed at zero pressure). Sketch the motor-pump circuit. Derive the dynamic equations for the system, and determine the transfer function between motor voltage and the pressure across the load.

What will be an ideal response?

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