WorksheetsLV07 Engine Lubrication Progress Check
Total questions: 12
Worksheet time: 6mins
Why is it recommended that the oil filler cap area is wiped before removing it?
To prevent dirt and debris from entering the engine
To improve the accuracy of the oil level on the dipstick
To cool the cap before handling
To reduce crankcase pressure
How should old engine oil be disposed of?
Taken to an authorised recycling or disposal facility
Burnt in the open air away from buildings
Poured into a sewer or storm drain
Mixed with household rubbish and discarded
Before refitting the sump drain plug, what should be examined and replaced if necessary?
Oil pump assembly
Oil filter element
Sealing washer/gasket on the drain plug
Dipstick and tube
The main function of the oil strainer is to protect the?
Crankshaft journals
Oil pump
Spark plugs
Radiator
Oil pressure in the lubrication system is provided by the?
Pressure relief valve
Oil pump
PCV valve
Thermostat
The ____________ in the connecting rod is to allow for cooling and to lubricate the piston underside.
Balance weight
Oil hole/drilling
Wrist pin
Crankcase breather
The oil in a gear type pump is carried around the ________________ of the gear wheels.
Centres of the gears
Drive shafts
Outside periphery of the gears
Hub bores
The two main types of oil filter are the ______ _______ and ________ ________.
Full-flow and bypass
Screen and magnetic
Centrifugal and mesh
Paper and fabric
A variable flow PCV valve is better than the __________ __________ type.
Fixed flow type
Open type
Sealed type
Rotary type
State three functions of a motor oil.
Reduces friction and wear between moving parts
Helps cool engine components by carrying heat away
Cleans and suspends contaminants to keep passages clear
Supplies fuel to the cylinders
Increases compression in the combustion chamber
Explain the meaning of 10W30 SAE.
A specific synthetic oil formulation approved by SAE
Indicates oil density and colour per SAE
Indicates multigrade viscosity: 10W for cold and 30 at operating temperature per SAE
Specifies ignition timing settings for the engine
When the engine speed is high, the oil pressure release valve is ________________.
Closed
Open
Stuck
Bypassed
