A.compression must be low for effective spark ignition
B.compression must be low for required horsepower and torque generation
C.compression must be low to prevent pre-ignition
D.compression must be low to have effective pre-ignition

A.provide exhaust back pressure
B.prevent exhaust smoke emissions
C.power a reciprocating supercharger
D.muffle exhaust gas noise

A.Plugged injector nozzles
B.Excessive fuel injection
C.Very late injection timing
D.Incorrect crankshaft clearance

A.a glazed surface on the spring
B.nicks in the protective coating
C.a build up of sludge deposits
D.cracks in the surface of the spring

A.Frequent draining of accumulated moisture
B.Frequent testing of relief valves
C.A close watch on temperature to prevent fluctuations in pressure
D.Frequent cleaning to re move oil and foreign matter

A.over-speeding
B.overload
C.low exhaust temperature
D.high crankcase pressure