A Answer A is wrong. Answer D is correct.

B Answer B is wrong. Answer D is correct.

C Answer C is wrong. Answer D is correct.

D Answer D is correct. A high low side and a low high side indicate a bad A/C compressor.

A Answer A is wrong. Both technicians are correct

B Answer B is wrong. Both technicians are correct.

C Answer C is correct. A restricted heater control valve or low coolant level will leave a vehicle with low heater performance.

D Answer D is wrong. Both technicians are correct.

A Answer A is wrong. In the condenser the gas releases heat as it condenses from gas to liquid.

B Answer B is correct. The expansion valve converts the liquid refrigerant into a fine mist capable of receiving heat from the cabin.

C Answer C is wrong. Technician B is correct.

D Answer D is wrong. Technician B is correct.

A Answer A is correct. An open relay winding will prevent the magnetic clutch from receiving power.

B Answer B is wrong. A loose serpentine belt will cause a squeal when the clutch engages.

C Answer C is wrong. Technician A is correct.

D Answer D is wrong. Technician A is correct.

A Answer A is wrong. Evacuating a system will remove moisture. Flushing will remove debris and metal.

B Answer B is wrong. You should always evacuate a system if it's been opened to the atmosphere.

C Answer C is correct. Both technicians are correct.

D Answer D is wrong. Both technicians are correct.