Unit 1 Flashcards
Which engine component houses all of the internal components of the engine?
Block
Which engine component converts reciprocating motion, up and down, into rotary motion, round and round?
Crankshaft
Which engine component transfers the power of the piston to the crankshaft?
Connecting rod
The engine component that forms the top of the combustion chamber is the
cylinder head
The type of energy that the flywheel continually stores and releases to smooth the erratic operation of the engine is called
Kinetic
Which term describes a complete series of events?
Cycle
The position of the piston when it is at the highest point in its movement is best described by which term?
Top dead center (TDC)
Which term describes the position of the piston when it is at the lowest point in its movement?
Bottom dead center (BDC)
Which term describes the amount of time that both the intake and exhaust vales are open at the same time?
Valve overlap
In a diesel engine, how high does the compression of the air causes the temperature to rise?
over 1,000°F
On a two stroke engine, what creates the movement of intake air?
Blower
On a four stroke engine, what is the position of the valves and how is the piston moving during the exhaust event?
Intake vales closed, exhaust valve open, and the piston moving upward
Identify the component that provides an electrical spark in the combustion chamber at the proper time to ignite the air/fuel mixture
Ignition system
Which component prevents the voltage in an ignition system from arcing across the breaker points, causing them to burn?
Condensor
Identify a restriction in the passage of a carburetor that causes air to move faster
Venturi
