AIR CONDITIONING SYSTEM - Practice Mode

1) What is the boiling point of refrigerant R-134a?
Correct Answer: 26.5 Degree Centigrade
2) What should be the high air flow rate permitted while doing performance checking in automobile AC system?
Correct Answer: 8 kg per min
3) Which is not the part of servo motor assembly?
Correct Answer: Expansion valve
4) How much DC supply voltage required for servo motor?
Correct Answer: 4.8 V to 6 V
5) Which wire of servo motor connected to power supply?
Correct Answer: Red