
Reciprocating Engines Flashcard #1
Flashcard
•
Science
•
Vocational training
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is thermal efficiency?
Back
The ratio of the amount of heat energy converted into useful work in a system.
2.
FLASHCARD QUESTION
Front
What component converts reciprocating motion to rotary motion in an engine?
Back
Crankshaft.
3.
FLASHCARD QUESTION
Front
What is the product of force times distance known as?
Back
Work.
4.
FLASHCARD QUESTION
Front
What occurs during the power stroke of a 4-stroke engine?
Back
The piston moves downwards due to the explosion of the air-fuel mixture.
5.
FLASHCARD QUESTION
Front
What generates power in an internal combustion engine?
Back
The force of expanding gases after combustion.
6.
FLASHCARD QUESTION
Front
Define specific heat.
Back
The amount of heat required to raise the temperature of a unit mass of a substance by one degree Celsius.
7.
FLASHCARD QUESTION
Front
What is the function of a piston in a reciprocating engine?
Back
To convert the pressure from combustion into linear motion.
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