Unit 152 SET D

What are the hemispherical and wedge two design of?

• Piston and connecting rod

• Combustion chambers

• 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