Technician A says that changes of state of a substance from ...

[Arii_bell]

Technician A says that changes of state of a substance from liquid to gas is vital to automotive air conditioning and some electrical system cooling systems. Technician B says that scroll type A/C compressors contain rotating scrolls to pressurize the refrigerant. Which technician is correct?
 
  A) Technician A only B) Technician B only C) Both technicians D) Neither technician

Question 2

Why is a coolant heat storage tank used on some HEVs?
 
  A) To provide heat for the passenger compartment when the ICE is not running
  B) To warm the ICE very quickly after cold starts, for reduced exhaust emissions
  C) Both A and B
  D) Neither A nor B

[olderstudent]

Answer to Question 1

A

Answer to Question 2

B

[Arii_bell]

YES! Correct, THANKS for helping me on my review

[Viet Thy]

Thanks for the timely response, appreciate it