Unit 152 (2) Eng Mech / Lub / Cooling

A four stroke engine how many revolutions would the camshaft turn when the crankshaft completes one revolution?

• 0.5

• 1

• 1.5

• 2

Main bearing on a light vehicle engine are normally?

• taper roller bearings

• roller ball bearings

• shell bearings

• phosphor bronze

Three common types of oil pump are?

• gear, rotor and lift

• rotor, lift and eccentric vane

• gear, rotor and eccentric vane

• gear, lift and eccentric vane

Which one of the following tests would diagnose a badly seating inlet valve?

• Compression test

• Cylinder leakage test

• Pressure test

• Block test

Which one of the following should be used to check a cylinder head for straightness?

• DTI gauge

• Vernier gauge

• Micrometer

• Straight edge

What do the initials BDC stand for?

• Biodiesel car

• Bottom diesel compression

• Bottom dead centre

• 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%

• 50%

• 75%

• 100%

When replacing engine components, which one of the following information sources should be used?

• Service tick sheet

• Job card

• Labour times

• 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 light off

• Oil pressure gauge low

Which one of the following pieces of equipment should be used to check an oil pump for distortion?

• DTI gauge

• Vernier gauge

• Micrometer

• Straight edge