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WorksheetsEngine Principles 1
Total questions: 42
Worksheet time: 33mins
When the piston is at its highest point in the cylinder it is known as:
Top dead center (TDC)
bottom dead center (BDC )
After top dead center ( ATDC )
Before top dead center ( BTDC )
Crankshaft oil seals keep oil from leaking out the:
front
rear
Both front and rear
Basepan
Crankshaft turns at _____the Speed of the Camshaft
2x
3x
1/2x
1x
The Component that stops the piston from tipping in the cylinder is the
Piston Ring
Piston Skirt
Connecting Rod
Piston pin
What component ensures the synchronization of the crankshaft and camshaft?
Timing Belt
Oil Pump
Water Pump
Fuel Injector
What is the function of the camshaft in an engine?
To control exhaust emission
To control the intake and exhaust valves
To increase fuel efficiency
To monitor engine temperature
Which component is responsible for converting the linear motion of the pistons into rotational motion?
Camshaft
Crankshaft
Connecting Rod
Piston Ring
What is the main purpose of the valve spring in an engine?
To seal the combustion chamber
To return the valve to its closed position
To inject fuel into the cylinder
To monitor exhaust gases
The component that hold the Valves in the head
Camshaft Lobes
Valve Spring
Valve Stem
Keepers
What is the role of the piston pin in an engine?
To connect the piston to the crankshaft
To seal the combustion chamber
To connect the piston to the connecting rod
To lubricate the piston movement
What does the timing belt primarily prevent in engine operation?
Oil leakage
Overheating
Timing misalignment between the camshaft and crankshaft
Fuel inefficiency
Which component is directly responsible for the air intake in an engine?
Exhaust valve
Intake valve
Fuel injector
Carburetor
What is the purpose of the oil filter in an engine?
To cool the engine oil
To increase oil pressure
To remove impurities from the oil
To monitor oil level
What stroke comes after the Compression stroke in a 4 stroke engine
Exhaust
Intake
Power
Compression again
What is the function of the spark plug in a gasoline engine?
To ignite the air-fuel mixture
To control the exhaust gases
To monitor the engine temperature
To lubricate the engine components
What is the primary function of the exhaust valve in an engine?
To release combustion gases
To intake air into the cylinder
To seal the combustion chamber
To inject fuel
What is this part called
Moon Cap
Thrust Bearing
Half Bearing
Shim Bearing
Which engine valve configuration has the camshaft in the cylinder block.
Over Head Valve (OHV)
Over Head Cam (OHC)
Dual Over Head Cam (DOHC)
This is a trick question Mr. Gregoire
What direction is the piston traveling during the Power-Stroke?
Up
Down
Left
Right
What transfers motion from the camshaft to the push rod in an OHV engine?
Rocker Arm
Rocker Pivot
Lifter
Valve Spring
What are the two types of cooling systems:
Air and Vent
Vent and Electric
Liquid and Electric
Liquid and Air
What position are the valves in during the intake stroke
Intake Closed, Exhaust Closed
Intake Open, Exhaust Open
Intake Open, Exhaust Closed
I have no idea
Cylinder volume with the piston at bottom dead center (BDC) compared to cylinder volume with the piston at top dead center (TDC)
Compression Ratio
Piston Comparison
Piston Aspect Ratio
Engine Displacement
A crankshaft's job in an engine is to:
deliver fuel to the cylinders
change linear motion into rotational motion
keep cylinder heads in place
What are the three common ways to arrange an engine's cylinder?
V-6, V-8, HEMI
inline, V, flat
inline, flat, rotary
What is the name of this component?
Camshaft
Connecting Rod
Crankshaft
Piston Head
What is the name of this component?
Camshaft
Connecting Rod
Crankshaft
Piston Head
What is the purpose of the Valve springs?
Open and Close the Valves
Open the Valves
Close the Valves
Other
When the intake valve closes. The piston moves..
downwards
upwards
sideways
clockwise
A _________ is the full travel of the piston, in either direction.
revolution
turn
cycle
stroke
Which valve is open during the compression stroke?
Both
Neither
Intake
Exhaust
The combustion of fuel is produced in enclosed, sealed spaces called....
fuel injectors
combustion chambers
spark plugs
piston cylinders
What is the difference between an OHC engine and an OHV engine?
Spelling
Nothing means the same thing
Location of the cam shaft
Fuel Type
What is this animal?
cow
frog
seal
A typical Compression ratio for a gasoline engine is
1:1
8:1
15:1
17:1
