Engines - how they work

Every engine converts heat into mechanical enery

• true

• false

Every engine converts up and down piton motion into circular motion at the crankshaft

• True

• False

Compressed air has a higher temperature than the air we breathe

• True

• False

One cubic foot of uncompressed air can be compressed into one cubic inch of space or less

• True

• False

Liquid or solid fuel burns faster than vaporized fuel

• True

• False

The rotary engine turns reciprocating motion into circular motion

• True

• False

The stroke of the piston is set by the "throw" of the crankshaft (how far it is offset)

• True

• False

The modern gasoline engine works best at a 15 to 1 compression ratio

• True

• False

Gasoline engines work best at a one-part fuel and two-part air mix.

• True

• False

In a two-stroke engine there are actually four movements of the piston, two up and two down, in one complete cycle.

• True

• False