Car Repairman Question:
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One of the major causes of FHP in an engine is
a. High speed
b. High volumetric efficiency
c. Piston-ring friction

Answer:

c. Piston-ring friction

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In a six cylinder engine there is balance of
a. Primary forces only
b. Secondary forces only
c. Both primary and secondary forces
During suction stroke the pressure inside the cylinder is
a. Equal to atmospheric pressure
b. Above atmospheric pressure
c. Above or below atmospheric pressure
d. Below atmospheric pressure