The Ultimate Mechanics Quiz! Trivia
The ultimate Mechanics quiz trivia. Mechanics are tasked with ensuring that machines are running smoothly. Do you know how to clean an engine or oil it up? What do you know about diesel and gasoline in different types of engines? This quiz is perfect for a mechanic who wants to test out all they know about engines and machines. Give it a try and see well you do!
- 1.How many revolutions of the crankshaft are in a complete cycle for a 2-stroke-cycle engine?
- A.
0
- B.
1
- C.
4
- D.
12
- 2.The crankshaft has large lobes that act as counterweights, continuing centrifugal force to keep the crank turning after the explosion of the fuel.
- A.
True
- B.
False
- C.
Not enough info given
- 3.Three key differences between the diesel and the gasoline 4-stroke-cycle engines are: Diesel is heavier construction, Diesel has a higher compression ratio, and _______
- A.
Diesel always uses a carburetor
- B.
Diesel combustion occurs because of intense heat and pressure added to the fuel and air
- C.
Gasoline combustion requires a fuel injector to create the spark
- D.
Diesel engines have oversized spark plugs D. diesel engines have oversized spark plugs D. diesel engines have oversized spark plugs
- 4.Air-cooled small gas engines are cooled by:
- A.
Oil
- B.
fins
- C.
Flywheel
- D.
Air
- E.
All of the above E. all of the above all of the above
- 5.The four strokes in order for a 4-stroke-cycle engine are
- A.
Intake, compression, power, exhaust
- B.
Intake, exhaust, power, compression
- C.
Exhaust exhaust intake power
- D.
None of the above
- 6.A 2-stoke-cycle engine is likely to be found on
- A.
Subcompact cars built in Greenland
- B.
Chainsaws and weed trimmers
- C.
Most lawnmowers and snowblowers D. most lawnmowers and snowblowers lawn mowers
- 7.To describe a 2-stoke-cycle engine function, understand that
- A.
The piston lowers allowing exhaust to exit the exhaust port just prior to intake port opening to allow air/fuel/oil into the cylinder.
- B.
The piston raises to the top allowing exhaust to exit the exhaust port just prior to intake port opening to allow air/fuel/oil into the cylinder
- C.
The piston is attached to the head by the valve keeper.
- 8.Two parts of the camshaft are: timing gear and
- A.
Cam shaft teeth
- B.
Coil
- C.
Cam lobes
- 9.A _____________________________ or supercharger uses the exhaust to blow in more air into the cylinder.
- A.
Diablo chip
- B.
Turbo
- C.
Flywheel
Questions: 8 | Attempts: 1673 | Last updated: May 27, 2021
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