The manufacturer's data on a split AC system indicates that the normal temperature drop should be 15F at the current operating conditions. If the evaporator entering air temperature is 80F and the leaving air temperature is 55F, the technician knows that the system:
A) Most likely is overcharged because it is cooling better than it is supposed to.
B) Is working great, even better than manufacturer's specifications.
C) Most likely has higher than normal airflow because of the higher-than-normal temperature drop.
D) Most likely has low air flow because of the higher-than-normal temperature drop.
Question 2
The contactor on most residential split-system condensing units controls:
A) The compressor.
B) The compressor and the condenser fan motor.
C) The condenser fan motor.
D) The compressor, condenser fan motor, and evaporator fan motor.
A) Normal bronchiole and (B) bronchiole constricted in asthma attack.
The Central Nervous System
Lymphatic system vessels and the flow of lymph.
The Central and Peripheral Nervous System
The Digestive System
Fight-or-Flight System