Author Question: If the pump cutoff is working properly, the output pressure should not drop past what percentage ... (Read 189 times)

jake · **on:** Jul 24, 2018

If the pump cutoff is working properly, the output pressure should not drop past what percentage below the operating pressure?

A) 10 percent B) 20 percent C) 40 percent D) 30 percent

Question 2

If an air-conditioning system is operating with an 80F return air temperature and a 50F supply air temperature:

A) The large temperature drop indicates excessive airflow.
B) You should be happy the air is so cold.
C) The system is operating correctly.
D) The large temperature drop indicates the airflow is less than required.