AIR CONDITIONING

Front

In a typical system, within which component would the evaporation of refrigerant take place?

Back

Evaporator

Front

What does MAC stand for?

Back

Mobile Air Conditioning

Front

Which of the following would be carried out to confirm a system contained no refrigerant? Options: Press the service port valve on the low pressure side and listen for a gas leak, Connect the gauges to both high and low pressure ports to confirm a vacuum is present, Connect the Air Conditioning equipment and carry out a full recovery, Connect the gauges to both high and low pressure ports to confirm no pressure is present

Back

Connect the gauges to both high and low pressure ports to confirm no pressure is present

Front

What type of refrigerant is R134a?

Back

HFC

Front

What does COSHH stand for?

Back

Control of Substances Hazardous to health

Front

If contamination within an air conditioning system is suspected and a flushing procedure is to be carried out, what component should also be changed? Options: Compressor, Receiver Drier, TXV, Condenser

Back

Receiver Drier

Front

What are the impacts on the environment of fluorinated greenhouse gases?

Back

Contributes to the global warming

Front

Where would you expect to find a high pressure liquid within an AC system? Options: Between the compressor and the Thermal Xpansion Valve, Between the Thermal Xpansion Valve and the Evaporator, Between the compressor and the condenser, Between the Condenser and the Thermal Xpansion Valve

Back

Between the Condenser and the Thermal Xpansion Valve

Front

The air conditioning compressor _____________ vaporized refrigerant and allows it to flow to the condenser.

Back

pressurizes

Front

Which of the following is true about the optimum effective temperature for human comfort? Same in winter and summer, Not dependent on season, Lower in winter than in summer, Higher in winter than in summer

Back

Lower in winter than in summer