Chapter 1 Flashcards
Development of the internal combustion engine started approximately _________ years ago.
200
An internal combustion engine coverts the heat energy of fuel into:
Useable mechanical energy and wasted heat.
The term compression ignition refers to:
The method of igniting fuel in a diesel engine.
The term torque could best be described as a:
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 gasoline engines compression ratio
An air filter with high restriction would _____ the volumetric efficiency of an 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:
the cooling and exhaust systems.
The term stroke refers to:
the distance the piston moves from BDC to TDC.
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 Degrees
Scavenging is a term that refers to:
Removing exhaust gases from the cylinder.
In a four stroke cycle engine, _______ is the number of crankshaft degrees that the intake and exhaust valves are both open.
valve overlap
A two stroke cycle engine has a ______ power stroke than a four stroke cycle engine.
shorter
