The match of the motor and compressor inside a hermetic compressor:
A) Is specific for the application of the compressor.
B) Is generally not critical, allowing a single compressor to cover a wide range of applications.
C) Is made in the field by the installing technician.
D) Is typically 1 hp per ton for nearly all applications.
[Ques. 2] Refrigerants release heat:
A) By rearranging their molecular structure to form a new compound.
B) By condensing from a vapor to a liquid.
C) By evaporating from a liquid to a vapor.
D) By converting refrigerant molecules into heat energy.
[Ques. 3] How does an ultrasonic-type leak detector work?
A) It sees the disturbance in the air surrounding the leak.
B) It uses Bluetooth wireless technology.
C) It hears the high-pitched sound of escaping gas.
D) It uses sonar to look for imperfections in the tubing and fittings.
[Ques. 4] In which system does less refrigerant enter the cylinder for each compression cycle, requiring more horsepower for each BTU of cooling?
A) A low-evaporator-temperature system B) A high-condenser-temperature system
C) A high-evaporator-temperature system D) A low-condenser-temperature system
[Ques. 5] A general definition of refrigerant is:
A) A fluid that is naturally cold.
B) A hydrocarbon-based chemical with noble elements replacing some of the hydrogen atoms.
C) A fluid that can turn heat into mass.
D) The fluid used in a refrigeration system for transferring heat.
Quick Reply
