10 Questions
What is the net work done by the complete cycle in a reciprocating engine?
Wpower stroke - Wcompression stroke
What is the power output of a reciprocating engine directly proportional to?
Work done per unit time
What is the formula for the power available (PA) for a propeller-driven airplane?
PA = η𝜂mech (rmp) NW
What is the relationship between the number of complete engine cycles and the engine rpm?
The number of complete engine cycles is equal to the engine rpm/2
What is the formula for the volume swept by the piston?
(πb2/4)s
What is the term for the length of the piston movement?
Stroke
What is the purpose of the compression stroke in a reciprocating engine?
To compress the air-fuel mixture
What is the relationship between the engine rpm and the power available (PA) for a propeller-driven airplane?
The power available is directly proportional to the engine rpm
What is the purpose of the power stroke in a reciprocating engine?
To generate power
What is the formula for the shaft brake power (P) in a reciprocating engine?
P = ηmech IP
This quiz covers the basics of propulsion in aerospace engineering, including the four disciplines involved in flight vehicle systems. It introduces the concept of propulsion and its significance in aerospace engineering.
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