WorksheetsLV02.1 Engines Revision 2
Total questions: 33
Worksheet time: 17mins
What are pipes made of that connects the engine to the radiator?
Reinforced rubber pipes
Plastic
Rubber
Steel
Lip seals are usually made from?
Neoprene
Rubber
Felt
Cork
Cylinder head tightening sequence. Use the diagrammed bolt numbers to identify the correct order.
1,2,3,6,4,5,8,9,7,10
2,5,6,3,4,9,10,7,8,1
1,4,6,5,3,7,10,9,8,2
2,3,5,1,6,4,7,10,9,8
A vehicle cylinder having a SV of 625cc that has 5 cylinders and a CV of 75cc, will have an engine capacity of?
3125cc
2400cc
3175cc
826cc
Which components are been lubricated in the picture?
Rocker arm and valve assembly
Camshaft and Cylinder Head
Rocker Cover and Valve Assembly
Rocker Pedestal and Camshaft
After suspected oil pump failure what other 2 components must be checked?
Main bearings and big end bearings
Main Bearings and Piston
Sump Gasket and Piston
Big end bearings and Sump Gasket
If anti-freeze is added to a water cooling system what would occur?
Increased freezing temperature and boiling point
Decreased freezing temperature and Boiling Point
Increase boiling point and decrease Freezing temperature
Decrease boiling point and increase temperature
When checking a flywheel for damage the technician should check?
The flywheel face for wear and starter motor ring gear
Bell housing and clutch plate
Pressure plate and bell housing
Clutch splines and flywheel
What two components should be checked for damage when the flywheel and starter are damaged?
The ring gear and starter pinion
Pressure plate and clutch plate
Input shaft and clutch hub
Ring gear and flywheel face
In aluminium cast cylinder blocks the cylinder liners are made from what material?
Mild steel
Stainless Steel
Aluminium Alloy
Cast Iron
Where is the injector pump situated?
On the side of the engine block
At the rear of the engine
On the top of the engine
On the bulkhead
How is the stroke of a cylinder defined?
The distance from TDC to BDC
The width of the piston crown
The height of the combustion chamber at TDC
The length of the connecting rod
The main component of a dry sump lubrication system is?
A scavenge pump
Sump
Oil Filter
Oil Cooler
Oil filter elements are made from?
Paper
Plastic
Rubber
Cork
When replacing an oil filter the technician should?
Smear the seal with clean oil and hand tighten filter
Tighten the filter with a torque wrench
Smear the seal with old oil and tighten with a filter strap
Undue the filter with a chain wrench
What measuring equipment is used to measure oil pump clearances?
Feeler gauge
Vernier calliper
Micrometer
DTI gauge
The main advantages of water cooling over air cooling are?
Quieter in operation and quicker warm up period
Noisier in operation and slower warm up period
Faster warm up period and slow in operation
No leaks and noisier
Two components situated near or connected to the radiator in a water cooling system are?
The thermostat and the heater matrix
Heater motor and Control Flap
Control Flap and Thermostat
Pressure cap and Heater Motor
When pressurising a cooling system the reading on the gauge should be?
Just over operating Pressure
Twice operating pressure
Half operating Pressure
Double operating pressure
The equipment used below is used to?
Pressurise a cooling system
De-pressurise a cooling system
Increase cooling system temperature
Decrease cooling system temperature
A cooling system pressure cap does what?
Increases the boiling point of the system
Decrease boiling point of the system
Increase operating pressure
Decrease operating pressure
If an auxiliary belt was over tightened it can cause damage to?
The water pump bearings or the alternator bearings
Crankshaft bearings
Camshaft Bearings
Wheel Bearings
Serpentine drive belts are tightened by a?
A spring loaded pulley
An Idler Pulley
The alternator
Crankshaft Pulley
What other components need to be checked if an engines oil pump has failed?
Camshaft Bearings and Primary Filter
Main Bearings and Big End Bearings
Main Bearings and Camshaft Bearings
Camshaft Bearings and Big End Bearings
A cylinder leakage test has been performed and air is heard escaping from the dipstick tube. What could the fault be?
Leaking valves
Head gasket failure
Piston ring failure
Sump gasket failure
The main advantage of water cooled engines over air is?
Faster engine warm up
Noisier in operation
It does not require a thermostat
Quieter in operation
The spring on a cooling system thermostat is used to?
Act as an opening mechanism
Act as a closing mechanism
Holds the component together
Allows the alcohol to disperse
At what temperature does water freeze at?
Two degrees Celsius
Minus five degrees Celsius
Zero degrees Celsius
Minus ten degrees Celsius
How many faces does a rotary engine piston have?
1
2
3
4
Spherical and wedge are types of?
Combustion chamber
Piston
Cylinder bore
Cylinder head
What is the function of the thermostat in an engine cooling system?
Lubricates the cylinder walls
Regulates coolant flow based on temperature
Increases engine oil pressure
Controls fuel injection timing
Which material is commonly used for manufacturing engine piston rings?
Copper
Aluminium
Cast iron
Plastic
What is the primary purpose of the radiator in a vehicle's cooling system?
To filter engine oil
To lubricate moving parts
To dissipate heat from the coolant
To increase fuel efficiency
