The refrigerant inside an evaporator is a ________.
A) Gas changing to a liquid
B) Liquid
C) Gas
D) Liquid changing to a gas
D) Liquid changing to a gas
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The modified Atkinson combustion cycle in Ford/Mercury hybrid electric vehicles provides ________
A) A high compression ratio at lower RPM B) A low compression ratio at higher RPM C) A constant compression ratio throughout the RPM range D) None of these
Technician A says that valve overlap is the number of crankshaft degrees that both valves are closed. Technician B says that valve overlap occurs when the piston is at or near TDC. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
Two technicians are discussing differentials. Technician A says that all differentials are vented. Technician B says that a clogged vent can cause the rear axle seal to leak. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
HC and CO are high and CO2 and O2 are low. This could be caused by a ________
A) Defective ignition component B) Rich mixture C) Clogged EGR passage D) Lean mixture