Basic Refrigeration MCQ with Answers

The piston moves down from the point of cylinder

The piston moves up from the point of cylinder

The piston stops in cylinder at bottom

The piston starts in cylinder at bottom

Thermoheater

Defrost timer

Relay

OLP

Over heating

Melting tubes

Prevent Oxidation

Chemical reaction

Semi hermetic reciprocating compressor

Open type reciprocating compressor

Hermetic reciprocating compressor

Hermetic rotary compressor

130 p.s.i.a

140 p.s.i.a

150 p.s.i.a

160 p.s.i.a