Basic Engines - Juniors

What is the first stroke in the 4 stroke (Otto) cycle?

• exhaust

• intake

• compression

• power

What is the second stroke in the 4 stroke (Otto) cycle?

• exhaust

• intake

• compression

• power

What is the third stroke in the 4 stroke (Otto) cycle?

• exhaust

• intake

• compression

• power

What is the fourth stroke in the 4 stroke (Otto) cycle?

• exhaust

• intake

• compression

• power

Engine bore refers to:

• An engine's horsepower

• The diameter of a cylinder

• How fast the crankshaft turns

• Cylinder layout

Stroke is the distance the piston travels from TDC to ____________.

• BTDC

• TDC again

• BDC

• ABCD

Volumetric efficiency is the ability of an engine to:

• Not create emissions

• Create heat

• Pull in air

• Distribute fuel evenly

The total volume of space displaced by the pistons traveling up and down inside all the cylinders is ________________.

• Horsepower

• Turbocharger

• Torque

• Displacement

______________________ is the travel distance of the piston.

• stroke

• bore

• diameter

• RPM

What is the compression ratio for most gasoline engines?

• 6:1

• 8:1

• 12:1

• 16:1