4290 - 777 - Routine Maintenance - C&G Paper 2

What is the purpose of a differential?

• To turn the drive through 900 to the rear wheels
• To provide a permanent gear reduction.
• To assist when turning a corner
• To turn the drive through 900 to the front wheels

What would indicate that a tyre is over-inflated

• The tread wearing on the outer edges
• The tread wearing in the centre
• The tread wearing on the inner edge
• The tread wearing in uneven patches

What is the minimum legal efficiency for a parking brake on a vehicle with dual circuit hydraulic brakes?

• 16%
• 25%
• 40%
• 50%

What does the electrolyte of a lead acid battery consist of?

• Hydrochloric acid and distilled water
• Sulphuric acid and distilled water
• Hydrochloric acid and tap water
• Sulphuric acid and tap water

What causes the temperature rise that ignites the fuel, in a compression ignition engine?

• Spark plug
• Manifold heater
• Compression of air
• High pressure fuel

What component, in a liquid cooling system, maintains the coolant at a near constant temperature?

• A radiator
• A pressure cap
• A water pump
• A thermostat

What component, in an ignition system, increases the battery voltage to ignite the air/fuel mixture?

• The rotor arm
• The coil
• The amplifier
• The distributor

What is the purpose of a sedimenter in a diesel fuel system?

• To remove air
• To remove water
• To increase fuel pressure
• To assist cold starting

How many pairs of frictional surfaces does a single plate clutch unit have?

• One
• Two
• Three
• Four

On what stroke, of the four stroke cycle, does the spark plug ignite the air/fuel mixture?

• Induction
• Compression
• Power
• Exhaust