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Worksheets4 Stroke Engines
Total questions: 20
Worksheet time: 15mins
What energy do 4 stroke engines convert to mechanical energy?
stored
kinetic
chemical
gasoline
Fuel is mixed with air in the what?
piston
carburetor
fuel tank
camshaft
Ignition of the air/fuel mixture is provided by what?
spark plug
valve
compression ring
crankshaft
Abnormal combustion may be caused by all of the following except?
pre-ignition
engine overload
detonation
pressure
A completely blocked what will stop the engine?
fuel/air filter
spark plug
carburetor
none of these
What is a systematic approach to solving problems dealing with engine performance?
systematic check
troubleshooting
ignition system inspection
spark plug evaluation
Engine vibration may be due to all of the following except?
bent crankshaft
muffler
gear case issues
bent drive shaft
Less than 700 degrees fahrenheit will cause a buildup of what which will short or foul the spark plug and eventually stop the engine?
nitrogen
gasoline
iodine
carbon
Around 1500 degrees fahrenheit the spark plug what will begin to glow?
spark plug
carburetor
venter electrode
gasoline
It is not recommended to wash or clean foam filters in what?
water
gasoline
oil
soap
No person should ever bypass what required adjustment restrictors?
EPA
CDA
KFG
COH
Tiny what particles are likely to adhere to the components and cause malfunctions?
dirt
water
oil
lint
When the engine is started the following season, it will smoke for a period of time until all the excess what is removed?
dirt
gasoline
oil
water
Compression tests are useful in checking for a difference of cylinder what in multi-cylinder engines?
pressure
conditions
temperature
none of these
PSI rating should not differ by more than what percent?
15
20
5
10
What begins with removing all shrouds and shields from the muffler and stacks?
fuel system inspection
cylinder leakage test
exhaust inspection
compression test
Energy contained in gasoline is turned into what power?
rotating
potential
kinetic
chemical
When an engine exceeds its maximum capacity it is known as what?
engine detonation
engine overload
engine combustion
none of these
What are the up-down movements of the piston?
piston movement
intake
compression
strokes
The correct mixture of fuel and air will combust with what combustion?
high
maximum
minimum
low
