Technician A says that the EGR system controls and monitors fuel vapors during the refueling process. Technician B says that the EVAP system controls fuel vapor loss during the refueling process as part of the ORVR system. Who is correct?

A. A only
B. B only
C. both A and B
D. neither A nor B


Answer: B

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A rigid vessel initially contains saturated steam at P = 0.2 MPa. Heat is added until the pressure is 0.3 MPa. Determine the amount of heat added per kilogram of steam, and the change in specific entropy of the gas.

A. 3963 kJ/kg and 0.5751 kJ/kg•K B. 277 kJ/kg and 0.5751 kJ/kg•K C. 287 kJ/kg and 0.5971 kJ/kg•K D. 14.1 kJ/kg and 0.5971 kJ/kg•K E. Insufficient information to solve

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The demand factor for three pieces of equipment is 90%; for four pieces, ____%; and for five pieces, 70%, for more than five pieces of equipment is 65%.

A. 60 B. 70 C. 80 D. 90

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Which of the following is not considered a form of floor collapse?

A. Lean-to B. W-type C. Pancake D. V-type

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