One kg of air is compressed at T = const = 200°C until the volume is halved. The rejected heat is:

A) 74 kJ
B) 84 kJ
C) 94 kJ
D) 104 kJ


C) 94 kJ

For an isothermal process Q =W = mRT lnV2 / V1 so the heat transfer is

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Given the supply curve in the graph below, producer surplus at a price of $5 would be ________.


Fill in the blank(s) with the appropriate word(s).

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? Identify and state the historical significance of the National Recovery Administration.

What will be an ideal response?

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Apply nodal analysis to solve for V? in the circuit in Fig. 3.56.

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Technician A says that all port fuel injected systems use the speed density method. Technician B says that throttle body injection systems use the speed density method. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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