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WorksheetsUnderstanding Engine Mechanics
Total questions: 2
Worksheet time: 24mins
1-15.
Answer the questions below after watching the video
What are the two main types of engines?
Manual and Automatic
Solar and Wind
Internal and External Combustion
Electric and Hydraulic
What material is commonly used for cylinder blocks?
Carbon Fiber
Gray Cast Iron or Aluminium
Wood
Plastic
Which part of the engine is made from cast iron or aluminium alloy?
Battery Case
Air Filter
Fuel Pump
Cylinder Head
Which component is directly involved in the engine's cooling system?
Piston
Cylinder Liner
Crankshaft
Cylinder Head
What is the primary function of the crankcase?
To filter the fuel
To support the crankshaft
To store oil
To cool the engine
What is the purpose of the oil pan?
To filter the air
To serve as a reservoir for engine oil
To store coolant
To house the battery
What purpose do gaskets serve in an engine?
To increase power
To provide a tight seal
To reduce noise
To enhance speed
What is the difference between wet and dry cylinder liners?
Wet liners are lubricated; dry liners are not
Wet liners are in direct contact with cooling water; dry liners are not
Dry liners are used in diesel engines; wet liners in petrol engines
Dry liners are cheaper than wet liners
What is the main material used for piston rings?
Plastic
Steel
Alloy Cast Iron
Rubber
Which component is responsible for converting reciprocating motion into rotary motion?
Piston
Connecting Rod
Camshaft
Crankshaft
What is the top dead center in an engine?
The highest point of fuel injection
The lowest point the piston can reach
The highest point the piston can reach
The point of maximum combustion
What type of motion does the connecting rod convert?
Circular to linear
Linear to circular
Reciprocating to rotary
Rotary to reciprocating
How does the camshaft contribute to engine operation?
By filtering oil
By cooling the engine
By opening valves
By storing fuel
What is the primary role of the flywheel in an engine?
To filter the air
To keep the crankshaft running at a constant speed
To start the engine
To ignite the fuel
What is the function of engine valves?
To control timing of air-fuel entry and exit
To regulate engine temperature
To control the air-fuel mixture
To seal the combustion chamber
What is the effect of a fouled spark plug on engine performance?
It improves engine performance
It has no effect
It can cause the engine to run rough or misfire
It increases the engine's horsepower
