Engine Fundamentals Flashcard

Front

What is the primary purpose of an engine?

Back

Propel the vehicle and generate electrical power

Front

What are the four strokes of a four-stroke cycle engine?

Back

Intake, compression, power, exhaust

Front

Which engine component contains the valves that allow air and fuel into the cylinder?

Back

Cylinder head

Front

What does the cooling system primarily control in an engine?

Back

Engine temperatures

Front

Identify the components of the rotating assembly: Crankshaft, camshaft, pistons; Crankshaft, connecting rods, pistons; Cylinder head, intake valve, exhaust valve; Oil pan, pistons, valve springs

Back

Crankshaft, connecting rods, pistons

Front

Label the strokes shown in the diagram: Power, compression, intake, exhaust, Intake, compression, power, exhaust, Compression, power, exhaust, intake, Exhaust, power, compression, intake

Back

Intake, compression, power, exhaust

Front

The compression ratio is determined by the difference in cylinder volume at top dead center and bottom dead center.

Back

True

Front

A naturally aspirated engine loses 3% of its power for every 1000 feet increase in altitude.

Back

True

Front

The ______ system provides the spark required for ignition in the engine.

Back

Ignition system

Front

The engine's ______ converts heat energy into mechanical energy.

Back

Crankshaft