Worksheets152 - Engine Lubrication
Total questions: 30
Worksheet time: 30mins
Name
Class
Date
1.
What is the primary function of an engine's lubrication system?
a)
To increase engine temperature
b)
To reduce friction and wear
c)
To cool the engine block
d)
To supply fuel to the engine
2.
Which component holds the engine oil in an internal combustion engine?
a)
Oil pump
b)
Oil filter
c)
Sump
d)
Cylinder head
3.
What is the purpose of coolant in an engine cooling system?
a)
To lubricate engine components
b)
To prevent overheating
c)
To clean the radiator
d)
To increase fuel efficiency
4.
What is the role of the thermostat in the engine cooling system?
a)
To remove impurities from the coolant
b)
To regulate the engine's temperature
c)
To circulate coolant through the engine
d)
To prevent coolant leakage
5.
Which type of pump is commonly used to circulate coolant in an engine?
a)
Gear pump
b)
Centrifugal pump
c)
Rotary pump
d)
Diaphragm pump
6.
What is the primary purpose of a head gasket?
a)
To seal the combustion chamber
b)
To lubricate the engine
c)
To cool the engine
d)
To supply fuel
7.
What component filters impurities from engine oil?
a)
Oil pump
b)
Oil filter
c)
Sump
d)
Crankshaft
8.
Which of the following is a type of cooling system used in engines?
a)
Air cooling system
b)
Fuel cooling system
c)
Hydraulic cooling system
d)
Electrical cooling system
9.
What is the function of the radiator in a cooling system?
a)
To heat the engine
b)
To cool the coolant
c)
To store engine oil
d)
To reduce vehicle emissions
10.
Which of the following is a common symptom of a failing water pump?
a)
Excessive engine noise
b)
Overheating engine
c)
Reduced fuel efficiency
d)
Oil leakage
11.
What material is commonly used for engine cylinder heads?
a)
Steel
b)
Aluminium
c)
Plastic
d)
Copper
12.
What is the purpose of piston rings?
a)
To transfer coolant
b)
To seal the combustion chamber
c)
To support the crankshaft
d)
To clean the cylinder walls
13.
What causes engine knocking?
a)
Poor lubrication
b)
Premature combustion
c)
Excessive coolant
d)
Faulty air filter
14.
What component connects the piston to the crankshaft?
a)
Camshaft
b)
Connecting rod
c)
Timing chain
d)
Cylinder block
15.
What is the primary function of the camshaft?
a)
To open and close the valves
b)
To drive the alternator
c)
To pump oil
d)
To transmit power to the wheels
16.
What is the most common cause of engine overheating?
a)
Low oil level
b)
Faulty radiator
c)
Worn-out tyres
d)
Malfunctioning alternator
17.
What does the oil pressure warning light indicate?
a)
Low coolant level
b)
Insufficient oil pressure
c)
Damaged spark plug
d)
Overcharged battery
18.
What is the purpose of the timing belt?
a)
To adjust the steering
b)
To synchronise the camshaft and crankshaft
c)
To support the radiator
d)
To lubricate the engine
19.
What is the function of antifreeze in a cooling system?
a)
To reduce oil viscosity
b)
To prevent freezing of coolant
c)
To clean engine components
d)
To improve combustion
20.
What is the purpose of the crankshaft?
a)
To convert linear motion into rotational motion
b)
To cool the engine
c)
To ignite the fuel
d)
To filter the oil
21.
What is the primary role of the engine block?
a)
To house the cylinders
b)
To supply fuel
c)
To circulate oil
d)
To control combustion
22.
What is a symptom of low engine oil?
a)
Overheating engine
b)
Increased fuel efficiency
c)
Excessive tyre wear
d)
Malfunctioning headlights
23.
What does a radiator cap do?
a)
Prevents coolant from evaporating
b)
Seals the fuel tank
c)
Lubricates the water pump
d)
Filters the oil
24.
Which fluid is used in modern radiator systems?
a)
Petrol
b)
Antifreeze
c)
Engine oil
d)
Hydraulic fluid
25.
What does the term 'blown head gasket' mean?
a)
A gasket with a hole
b)
A faulty oil filter
c)
A damaged cylinder head
d)
A coolant leak caused by gasket failure
26.
What is the purpose of the engine oil pump?
a)
To circulate oil throughout the engine
b)
To filter oil impurities
c)
To store oil
d)
To cool the oil
27.
What is the function of a fan in an engine cooling system?
a)
To circulate oil
b)
To cool the radiator
c)
To heat the coolant
d)
To lubricate the engine
28.
What is the main purpose of the valve lifters?
a)
To open and close the engine valves
b)
To control the camshaft timing
c)
To support the crankshaft
d)
To regulate fuel flow
29.
What happens if a cooling system has an airlock?
a)
Overheating of the engine
b)
Increased coolant flow
c)
Reduced fuel efficiency
d)
Increased oil pressure
30.
What is the purpose of the dipstick in an engine?
a)
To measure oil level
b)
To check coolant level
c)
To regulate fuel flow
d)
To monitor engine temperature
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