Chapter 7

The TXV is located at the _________. A) Evaporator outlet B) Evaporator inlet C) Condenser outlet D) Condenser inlet

A) Evaporator outlet

Which of the following best describes the high side of a system? A) High pressure and high temperature B) High pressure and low temperature C) Low pressure and high temperature D) Low pressure and low temperature

A) High pressure and high temperature

An accumulator is very similar to a(n) __________. A) Receiver-Drier B) Evaporator C) Condenser D) Orifice Tube

A) Receiver-Drier

In a noncycling clutch system, evaporator freeze-up is prevented by controlling ____________. A) TXV pressure B) Evaporator pressure C) Condenser pressure D) Condenser temperature

B) Evaporator Pressure

Two technicians are discussing orifice tubes. Technician A says the OT is always placed close to the evaporator inlet. Technician B says the OT is placed close to the condenser in some vehicles. Who is correct? A) Technician A only B) Technician B only C) Both A and B D) Neither A nor B

B) Technician B only

In a properly operating system, the evaporator temperature is about _________. A) 25F B) 30F C) 32F D) 35F

C) 32F

Two technicians are discussing an A/C problem. Technician A says tha an overcharge of refrigerant will cause a higher-than-normal high-side pressure. Technician B says that a refrigerant overcharge will cause poor cooling. Who is correct? A) Technician A only B) Technician B only C) Both A and B D) Neither A nor B

C) Both A and B

Two technicians are discussing the lines used to connect the A/C components. Technician A says they are usually rubber hoses with metal ends. Technician B says that metal tubing is often used. Who is correct? A) Technician A only B) Technician B only C) Both A and B D) Neither A nor B

C) Both A and B

Two technicians are discussing variable displacement compressors. Technician A says they are designed to control evaporator temperature. Technician B says that they are designed to control evaporator pressure. Who is correct? A) Technician A only B) Technician B only C) Both A and B D) Neither A nor B

C) Both A and B

Most A/C systems cycle the compressor clutch in regular intervals to control ________. A) Condenser temperature B) Condenser pressure C) Evaporator temperature D) None of these

C) Evaporator temperature

The refrigerant inside an evaporator is a ____________. A) Gas B) Liquid C) Liquid changing to a Gas D) Gas changing to a Liquid

C) Liquid changing to a Gas

An automotive A/C compressor is of the _______ type. A) Reciprocating piston B) Scroll C) Rotary vane D) Any of these

D) Any of these

Which of the following best describes the low side of a system? A) High pressure and high temperature B) High pressure and low temperature C) Low pressure and high temperature D) Low pressure and low temperature

D) Low pressure and low temperature