A.at TDC
B.before TDC
C.after TDC
D.during air starting

A.Spark plug
B.Heat of compression
C.Carburetor
D.Glow ping

A.seal the space between the piston and the liner
B.reduce the amount of lube oil burned in the combustion chamber
C.transmit heat from the piston to the cylinder liner
D.damp out fluctuations of the piston side thrust

A.when the engine RPM is pulled down by overload
B.at rated engine RPM
C.at 95 % of rated engine RPM
D.at 95 % of a properly adjusted governor RPM with the engine under full load

A.temperature
B.pressure
C.engine speed
D.all of the above

A.two crankshaft revolutions in a two-stroke/cycle engine
B.two power strokes in a two-stroke/cycle engine
C.one power stroke in a two-stroke/cycle engine
D.two piston strokes in a two-stroke/cycle engine

A.at each control station
B.in the chief engineer’s quarters
C.in the captains quarters
D.All of the above are correct

A.a cracked liner
B.burning lube oil
C.an overloaded engine
D.insufficient combustion air

A.increasing the volume of intake air
B.shutting off the fuel supply
C.increasing the engine back pressure
D.over-speeding the engine

A.During operation at low speed
B.During operation at rated speed, but low power output
C.During acceleration
D.All of the above

A.compression pressures are below normal
B.lube oil is diluted with fuel oil
C.cranking speed is too low
D.exhaust system is partially restricted