Name: __________________
Quiz: Small Power Equipment Contest
Instructions:
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Multiple Choice:
Identify the letter of the choice that best completes the statement or answers the question.
1)
The major difference in operation between gasoline and diesel engines is that the diesel
engine is _______ ignition.
a.
b.
c.
d.
solar
water
compression
spark
Answer #1 c
2)
________ systems do not use points and condensers.
a.
b.
c.
d.
Battery-type ignition
Mechanical-type ignition
Coil-type ignition
Magneto-type
Answer #2 d
3)
Which of the following is not a lubrication system function of a large 4-stroke engine?
a.
b.
c.
d.
Answer #3 d
Filter out dirt particles from the oil.
Maintain oil pressure to maximize lubrication.
Pump oil throughout the engine.
Provide a constant fuel supply.
4)
Tachometers are used to measure the _________ of an engine.
a.
b.
c.
d.
compression
Revolutions per minute (RPM)
torque
displacement
Answer #4 b
5)
When determining the proper settings for a specific brand of engine, the mechanic needs
to know the ________.
a.
b.
c.
d.
model number
retail cost
place of purchase
date of production
Answer #5 a
6)
Which of the following statements identify a reason why small engines may not perform
well?
a.
b.
c.
d.
Being relatively easy to work on, a small engine may be over serviced.
Small engines are lightweight.
Small engines are compact in size.
Many small engines operate near the ground and are exposed to a greater amount
of dirt and dust which get into the engine.
Answer #6 d
7)
Which of the following sequences for a 4-stroke engine is correct?
a.
b.
c.
d.
Compression, power, exhaust, intake
Exhaust, power, intake, compression
Intake, compression, power, exhaust
Power, exhaust, intake, compression
Answer #7 c
8)
Small engines are classified according to the position of their crankshaft. A string trimmer
would have a ________ crankshaft engine.
a. multi-position
b. vertical
c. horizontal
d. 90o angle
Answer #8 a
9)
If, when troubleshooting an engine that is not running, and determining the presence of a
strong spark, which of the following situations may be occuring?
a.
b.
c.
d.
The engine is out of time due to a sheared or partially sheared flywheel key.
The key is not turned on.
The battery is dead.
The flywheel is rusty.
Answer #9 a
10)
No matter what position classification a small engine might be, the piston must be at a
_________ angle to the crankshaft.
a.
b.
c.
d.
30o
acute
obtuse
right
Answer
#10
d
11)
The _________ connects the piston to the crankshaft.
a.
b.
c.
d.
cylinder
valve
camshaft
connecting rod
Answer
#11
d
12)
Intake, compression, power and exhaust are the components of a ________ engine.
a.
b.
c.
d.
Answer
#12
b
2-stroke
4-stroke
rotary
hybrid
13)
The ________ is used in measuring the electrode gap of spark plugs.
a.
b.
c.
d.
dial indicator
plastigage
flat feeler gage
round-wire gage
Answer
#13
d
14)
When describing a small engine, it is said to be less than ____ horsepower.
a.
b.
c.
d.
10
15
20
25
Answer
#14
d
15)
Which of the following is not a basic element for an engine to run?
a.
b.
c.
d.
Fuel
Clean air
Compression
Air temperature
Answer
#15
d
16)
________ is the common practice to keep equipment in good working condition.
a.
b.
c.
d.
General maintenance
Daily repair
Hourly upkeep
Preventative maintenance
Answer
#16
d
17)
The piston surfaces between the ring grooves are called _____.
a. lands
b. areas
c. locations
d. palaces
Answer
#17
a
18)
________ of a gasoline engine is the presence of an excessive amount of fuel in the
carburetor.
a.
b.
c.
d.
Choking
Backfiring
Flooding
Missing
Answer
#18
c
19)
Engine ________ refers to gases under pressure that leak by the piston rings during
combustion and the power stroke.
a.
b.
c.
d.
blow-by
exhaust
carbon
breathing
Answer
#19
a
20)
Which of the following is not a part of an air-cooled system engine component?
a.
b.
c.
d.
Answer
#20
b
Shroud
Fuel injector
Fins
Precleaner