Engine Repair 2 Mid term

Front

As ____ is a twisting or turning force, ____ is the rate (in time and distance) at which that force (_____) is produced.

Back

Torque; horsepower; torque

Front

External combustion means that the fuel is being burned outside of the engine, while internal combustion means the fuel is burned inside of the engine.

Back

True

Front

What changes to the diameter of the bore and the length of the stroke will produce a larger piston displacement?

Back

Increasing the diameter of the bore and increasing the length of the stroke.

Front

The air-fuel mixture is ignited and burns rapidly, at up to about ______.

Back

4,500°F

Front

Who is correct about engine types? Technician A: An interference type engine has minimal clearance between the valves and the piston. Technician B: In a noninterference engine, if the timing belt was to break, you could bend a valve.

Back

Technician A

Front

A broken timing belt on an interference engine means:

Back

A huge repair expense and the entire engine could need to be replaced.

Front

Does a long block engine replacement require swapping parts from the original engine to the short block, including the intake and exhaust manifolds, fuel injection system, starter, alternator, power steering pump, and air-conditioning compressor?

Back

True

Front

The reed valve is made of _______ and can be attached to the crankcase or to the inlet port.

Back

Spring metal

Front

Who is correct about four-stroke engines? Technician A: Reed valves let air and fuel into the combustion chamber. Technician B: Engine oil is mixed with gasoline.

Back

Neither A nor B

Front

Who is correct about the rotary engine? Technician A: The rotary engine does not need to convert reciprocal motion into rotary motion. Technician B: The rotor is roughly triangular and turns inside of a housing.

Back

Both A and B