Worksheets152 Kahoot 13
Total questions: 30
Worksheet time: 15mins
What are the hemispherical and wedge two design of?
Piston and connecting rod
Combustion cambers
Crankshaft and bearings
Inlet and exhaust valves shapes
What safety precaution must be taken when replacing any cooling system components?
Drain coolant down to the nearest drain
Do not drain the cooling system
Ensure the cooling system is cooled
Start the job as soon as possible
What controls the pressure increase in water cooled cooling system?
The pressure cap
Thermostat
Coolant temperature
Water pump
What is the space above the piston called when at TDC?
Clearance volume
Swept volume
Upper volume
Air gap
Which one of the following components directly forms part of a light vehicle ventilation system?
Air processor
Air pressure relief valve
Pollen filter
Engine coolant radiator
Where is the injector on an indirect compression engine located?
Exhaust manifold
Cylinder bore
Pre-combustion chamber
Inlet manifold
What is the main benefit of dual climate control over standard climate control?
Independent control of heating N/S and O/S
Critical control of cooling N/S and O/S
Independent control of climate N/S and O/S
Non independent control N/S and O/S
Which one of the following conducts heat most effectively?
Paper
Plastic
Wood
Copper
What is the oil filter elements usually made from?
Copper mesh
Anodised mesh
Steel wool
Paper
Which one of the following two components are the most similar in construction?
Radiator and water pump
Heater matrix and radiator
Water pump and thermostat
Serpentine belt and top hose
Which of the following is the first check made to a lubrication system after carrying out repair?
Run up to operating temperature and visual inspection
Hand car back to customer
Lengthy road test
Complete paper work
The bore is shown in the figure is indicate as?
4
2
3
1
What is specific heat capacity?
Coolant required to increase the temperature of a unit quantity
Heat energy required to increase the temperature of a unit quantity
Heat energy required to decrease the temperature of a unit quantity
Amount of anti-freeze required to increase temperature of a unit quantity
Which one of the following is possible fault when white smoke emitted from the exhaust?
Burnt exhaust valve stem
Inlet valve stem oil seals worn
Piston rings and bores worn
Head gasket leakage between coolant gallery and bores
On a four stroke engine how many revolutions would the camshaft turn when the crankshaft completes one revolution?
0.5
2
1
1.5
Main bearing on a light vehicle engine are normally
taper roller bearings
shell bearings
roller ball bearings
phosphor bronze
Three common types of oil pump are
rotor, lift and eccentric vane
gear, rotor and eccentric vane
gear, rotor and lift
gear, lift and eccentric vane
Which one of the following tests would diagnose a badly seating inlet valve?
Compression test
Pressure test
Cylinder leakage test
Block test
Which one of the following should be used to check a cylinder head for straightness?
DTI gauge
Micrometer
Vernier gauge
Straight edge
What do the initials BDC stand for?
Biodiesel car
Bottom dead centre
Bottom diesel compression
Biased diesel centre
On a full flow lubrication system, what percentage of oil is filtered when the engine is warm and the filter is clean?
25%
75%
50%
100%
When replacing engine components, which one of the following information sources should be used?
Service tick sheet
Labour times
Job card
Workshop manual
Which one of the following would be an indication of the oil pressure being satisfactory on a running engine?
Engine management light on
Oil pressure light on
Oil pressure gauge low
Oil pressure light off
Which one of the following pieces of equipment should be used to check an oil pump for distortion?
DTI gauge
Micrometer
Vernier gauge
Straight edge
When referring to oils, what do the initials ‘EP’ stands for?
Excess pressure
Extra pressure
Extreme pressure
Extended pressure
The engine oil pressure warning light will always illuminate if the
oil pressure was low
oil pressure was high
oil pressure was correct
oil level was low
Which one of the following is a viscous unit filled with?
Water
Silicone
Gel
Gases
Viscous cooling fan drives are commonly fitted with which one of the following?
Right hand thread
Locking nut
Left hand thread
Split pin
Which one of the following is the main reason for using electrically operated cooling fans?
The cost is cheaper
The engine is quieter
Increases the engine’s performance
Decreases the fuel efficiency
Which one of the following should be used to check combustion gases in the cooling system?
Boost gauge
Hydrometer
Pressure gauge
Block tester
