Engine Fundamentals Flashcards
Development of the internal combustion engine started approximately _________ years ago.
200yrs
An internal combustion engine converts the heat energy of the fuel into:
usable mechanical energy and wasted heat
The term compression ignition refers to:
The method of igniting fuel in a diesel engine.
The term torque could be referred to as:
rotational force
Which of the following describes the term engine displacement?
Swept volume of one cylinder X number of cylinders
The compression ratio of a diesel engine would be:
About two times a gasolines engines compression ratio.
An air filter with high restriction would ________ the volumetric efficiency of the engine.
decrease
Horsepower is a measurement of:
The rate of doing work.
An internal combustion engine dissipates approximately 60% of the heat developed by combustion through:
B. The cooling and exhaust systems.
The term stroke refers to:
The distance the piston moves from TDC to BDC.
List, in sequence, the four events that make up one cycle of an internal combustion engine.
Intake.
Compression.
Power.
Exhaust.
A four stroke cycle engine completes all four events in _______ of crankshaft rotation.
720 Degress
Scavenging is a term that refers to:
Removing exhaust gases from a cylinder.
In a four stroke cycle engine, ________ is the number of crankshaft degrees that the exhaust and intake valves are open.
valve overlap
A two stroke cycle engine has a ______ power stroke than a four stroke cycle engine.
shorter
