Small Engine #85-100

Viscosity index indicates:

• A sequence number for fuel

• A micrometer reference point

• A characteristic of oil

• The pressure developed by the fuel pump

The ring end gap measures 0.045" and the reject size is 0.035". The rings:

• Are still satisfactory

• Must be replaced

• Should be ground down

• Telescoping gauges

At low speeds the ignition spark should be supplied closer to TDC.

• True

• False

In the 4 cycle small gas engine, how many complete revolutions must the crankshaft make to complete one cycle?

• One

• Two

• Three

• Four

The crankshaft in a 4 cycle engine turns at ____________ the speed of the camshaft.

• Twice

• Four times

• One-half

• The same speed as

A four stroke cycle single cylinder engine has one power stroke every four revolutions of the camshaft.

• True

• False

Which of the following is not one of the strokes of the 4 cycle engine?

• Compression

• Vacuum

• Exhaust

• Intake

Engine compression is measured in:

• Lbs/square inch

• KG/SQ cm

• Either of the above

• None of the above

An excess of carbon accumulates in the combustion chamber and it causes an increase in the:

• Clearance volume

• Compression ratio

• Stroke

• Piston Displacement

Which of the following indicates the proper piston stroke sequence for a 4 cycle engine?

• Intake, Power, Exhaust, Compression

• Intake, Compression, Exhaust, Power

• Intake, Compression, Power, Exhaust

• Intake, Power, Compression, Exhaust