72

Front 1

An engine which develops one power stroke with every other turn of the crankshaft is the:

1) External combustion unit

2) Two stroke diesel engine

3) V type engine

4) Four stroke natural gas engine

5) Type that requires pre-mixed lube oil and fuel

Back 1

Four stroke natural gas engine

Front 2

When using compressed air to each cylinder for starting purposes, the pressure is approximately:

1) 2 100 kPa

2) 3 030 kPa

3) 520 kPa

4) 435 kPa

5) 255 kPa

Back 2

2 100 kPa

Front 3

Internal combustion engines used to drive gas compression machinery and which burn natural gas, operate on the _____ stroke cycle.

1) Two or four

2) One

3) Two

4) Rotary

5) Four

Back 3

Two or four

Front 4

Compression ignition engines:

1) Need suction and discharge valves

2) Require a spark timing device

3) Need a carburetor to mix the fuel with the air

4) Will compress air only on the compression stroke

5) Will compress air only on the power stroke

Back 4

Will compress air only on the compression stroke

Front 5

A two-cycle gasoline engine:

1) Is of more simple construction than a four cycle

2) Must have two cylinders

3) Has more moving parts than a four cycle

4) Requires exhaust valves

5) Produces twice as much power as a four cycle

Back 5

Is of more simple construction than a four cycle

Front 6

Ignition in a diesel engine is started by:

1) A glow plug

2) A starter motor

3) Compression in the cylinder

4) A spark plug

5) Air injection

Back 6

Compression in the cylinder