Multiple Choice Question (MCQ)

Question: Which components are connected by metering device in vapour compression cycle?
A. Condenser and evaporator
B. Compressor and condenser
C. Evaporator and suction line
D. Compressor and evaporator
Correct Answer: Condenser and evaporator
Explanation

A positive temperature coefficient (PTC) refers to materials that experience an increase in electrical resistance when their temperature is raised. Materials which have useful engineering applications usually show a relatively rapid increase with temperature, i.e. a higher coefficient.