Small Engine Parts And Functions
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This quiz relates to small gas engines with a few questions comparing to diesel and rotary engines as well. It will also explore knowledge of the 2 cycle and 4 cycle engines.
- 1.How many revolutions of the crank shaft are in a complete cycle for a 4-stroke-cycle engine?
- A.
1
- B.
2
- C.
3
- D.
4
- 2.How many revolutions of the crank shaft are in a complete cycle for a 2-stroke-cycle engine?
- A.
0
- B.
1
- C.
4
- D.
12
- 3.The crankshaft has large lobes which act as counterweights, continuing centrifugal force to keep the crank turning after the explosion of the fuel.
- A.
True
- B.
False
- C.
Not enough information given
- 4.
- 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
- 5.
- A.
Oil
- B.
Fins
- C.
Flywheel
- D.
Air
- E.
All of the above
- 6.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
- 7.A 2-stoke-cycle engine is likely to be found on:
- A.
Subcompact cars built in Greenland
- B.
Chainsaws and weed trimmers
- C.
Mazda RX-9
- D.
Most lawnmowers and snowblowers
- 8.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.
Blue and Yellow make Green.
- D.
The piston is attached to the head by the valve keeper.
- 9.Two parts of the camshaft are: timing gear and ________________________.
- 10.A _____________________________ or supercharger uses the exhaust to blow in more air into the cylinder.
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