Author Question: What two pieces of information are necessary to measure the TEV superheat? A) The evaporator ... (Read 13 times)

itsmyluck · **on:** Jul 24, 2018

What two pieces of information are necessary to measure the TEV superheat?

A) The evaporator inlet and outlet temperatures
B) The liquid line and suction line temperatures
C) The valve body temperature and the bulb temperature
D) The suction line temperature and pressure

Question 2

What can happen if you do not purge with nitrogen while brazing?

A) You run the risk of an explosion.
B) Oxides inside the pipe can come loose and contaminate the system.
C) Leak checking will take longer.
D) The brazing will take longer without the extra heat from the nitrogen.