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WorksheetsSmall Engines EB True/False
Total questions: 40
Worksheet time: 20mins
Name
Class
Date
1.
Scoring are desirable scratches found in a cylinder wall.
a)
False
b)
True
2.
The minimum compression required to start a small engine is 65 psi.
a)
False
b)
True
3.
OHV stands for Over Heated Valves.
a)
False
b)
True
4.
Ports are associated with 2 stroke engines.
a)
False
b)
True
5.
Lapping compound must never get into the valve guide
a)
False
b)
True
6.
Compression can be as low as 40 psi on a small engine when attempting to start the engine
a)
False
b)
True
7.
The tappets ride on the lobes on the camshaft
a)
False
b)
True
8.
OHV are considered to be more efficient with fuel / air/ exhaust exchange in the combustion chamber.
a)
False
b)
True
9.
Oil in a small engine should be replaced every 50 hours
a)
False
b)
True
10.
Ports are associated with two stroke engines
a)
False
b)
True
11.
Synthetic oil was first developed by the US military
a)
False
b)
True
12.
The long part of a poppet valve is called a valve stem
a)
False
b)
True
13.
Two stroke engines will have a sump
a)
False
b)
True
14.
Oil windows are associated with the scraper piston ring
a)
False
b)
True
15.
Ethanol can absorb moisture from the atmosphere
a)
False
b)
True
16.
The cam shaft gear is typically twice as large as a crankshaft gear.
a)
False
b)
True
17.
A woodruff key is typically shaped like a "Half Moon " key on the crankshaft
a)
False
b)
True
18.
The flywheel is used to counteract momentum
a)
False
b)
True
19.
Piston rings are made from cast iron
a)
False
b)
True
20.
Positive pressure in a 4 stroke engine is desirable
a)
False
b)
True
21.
Honing a cylinder is the same as boring a cylinder
a)
False
b)
True
22.
Oil will break down very quickly if overheated
a)
False
b)
True
23.
The cylnder head has long bolts in order to contain an explosion in the cylinder
a)
False
b)
True
24.
The camshaft and flywheel have keyways cut into them
a)
False
b)
True
25.
The function of the armature is to assist in creating a source of ignition in conjunction with the spark plug
a)
False
b)
True
26.
Crankshafts have permanent magnets built into them
a)
False
b)
True
27.
As the piston moves down on the intake stroke it creates a vacuum
a)
False
b)
True
28.
The second ( middle one) piston ring is known as an oil ring
a)
False
b)
True
29.
The function of the carburetor is to atomize fuel into a mist
a)
False
b)
True
30.
A notch in the top of the piston typically is aligned with the taper in the crankshaft
a)
False
b)
True
31.
Oil dippers are typically found on the bottom of the poppet valves
a)
False
b)
True
32.
A shroud in a small engine is a reservoir for oil
a)
False
b)
True
33.
The device that returns the poppet valve to the closed position is the valve spring
a)
False
b)
True
34.
Compression release is designed to lower compression in a small engine during the start of the engine
a)
False
b)
True
35.
When honing a cylinder wall with the honing stones you do not need lubrication
a)
True
b)
False
36.
The "backbone" of an engine is the camshaft
a)
True
b)
False
37.
The model number and serial number on a Briggs and Stratton engine are found on the shroud
a)
True
b)
False
38.
Match marks are found on the flywheel and camshaft
a)
True
b)
False
39.
The intake poppet valve is typically smaller than the exhaust valve
a)
True
b)
False
40.
The proper sequence of events for an internal combustion engine is intake, exhaust, compression, power.
a)
True
b)
False
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