Automotive Diagnostics Quiz

Which one of the following may need to be performed if the symptoms are: A cold engine lacks power – Cold air from cabin heater – temperature gauge in the red

• Check temperature thermistor signal

• Carry out cylinder leakage test

• Carry out a compression test

• Check thermostat opening temperature

The equipment shown is:

• Air conditioning station

• Cooling system pressure tester

• Engine gas analyser

• Emissions tester

The equipment shown is:

• Air conditioning station

• Cooling system pressure tester

• Engine gas analyser

• Emissions tester

Which one of the following components is not driven by a serpentine drive belt

• Air Conditioning Compressor

• Power Steering Pump

• Oil Pump

• Water Pump

Which air conditioning component dissipates heat to the atmosphere?

• Receiver dryer

• Condenser

• Compressor

• Evaporator

Which air conditioning component absorbs heat from the interior of a vehicle?

• Receiver dryer

• Condenser

• Compressor

• Evaporator

If the air conditioning system is not serviced regularly, why may passengers become unwell?

• The condensation inside the vehicle

• The passenger compartment temperature remaining low

• The heater core does not efficiently heat the vehicle interior

• Algae can form on the evaporator

What pressure is a coolant system pressure tested at?

• 5 P.S.i

• 10 P.S.i

• 15 P.S.i

• 30 P.S.i

What pressure increases the boiling point of water to 120 degrees C?

• 0.5 Bar

• 1 Bar

• 2 bar

• 32 P.S.I

What is a cooling system's maximum testing pressure?

• 0.5 Bar

• 1 Bar

• 2 bar

• 2.5 bar