WorksheetsQuiz on Reciprocating Engines and Fuels
Total questions: 10
Worksheet time: 5mins
Which of the following is NOT one of the four strokes in a complete engine cycle?
A) Intake
B) Compression
C) Ignition
D) Exhaust
Which type of engine has a small frontal area, resulting in less drag?
A) Radial
B) Inline
C) V-type
D) Horizontally-opposed
What is the primary advantage of a radial engine?
A) Simple design
B) High fuel efficiency
C) Good horsepower-to-weight ratio
D) Low maintenance
Which fuel feed system allows for inverted flight?
A) Gravity feed
B) Forced feed
C) Manual feed
D) Pressure feed
What is the function of an oil cooler in a reciprocating engine?
A) Lubrication
B) Sealing
C) Cooling
D) Cleaning
How is the octane rating of aviation fuel determined?
A) By the fuel's color
B) By the engine's horsepower
C) By the ratio of octane to heptane
D) By the engine's compression ratio
What is detonation in an engine?
A) Normal combustion process
B) Abnormally rapid combustion of fuel
C) The engine starting procedure
D) Lubrication failure
Which of the following is a function of engine oil in sealing?
A) It cools the engine
B) It provides an air-tight barrier between piston rings and cylinder walls
C) It reduces fuel consumption
D) It cleans the engine
Which of the following is TRUE about the wet sump lubrication system?
A) It uses an external oil tank.
B) It stores oil in a sump under the crankcase.
C) It allows for longer oil change intervals.
D) It requires no oil filtration.
Using a fuel with a lower octane rating than recommended can lead to:
A) Improved fuel efficiency
B) Enhanced engine performance
C) Detonation and engine damage
D) Reduced engine weight
