B:-Vertical

C:-Straight inclined sloping downward to the right

D:-Curved

Correct Answer:- Option-C
Question39:-Tachometer is used to measure

A:-Hul in air

B:-Velocity of air

C:-Density of air

D:-Speed of compressor

Correct Answer:- Option-D
Question40:-—252°F is equal to degree celsius.

Correct Answer:- Option-D
Question41:-An air conditioner consumes 5 Amps from 240 Volts and the PF is 0.8 its poweris
A:-690 Watts

B:-985 Watts
C:-950 Watts
D:-960 Watts
Correct Answer:- Option-D
Question42:- Compressor has less EER.

A:-Reciprocating Compressor

B:-Rotary Compressor

C:-Centrifugal Compressor

D:-Screw Compressor

Correct Answer:- Option-A
Question43:-An ‏آآہ‎ 56573۲۳۵۱۲۵۷ installed in-between

A:-Receiver and Expansion Valve

B:-Compressor and Condenser

C:-Condenser and Receiver

D:-Evaporator and Compressor

Correct Answer:- Option-B
Question44:-Piercing valve is used to

A:-Recover the gas

B:-Pinch the charging line

C:-Release the gas out

D:-Recover the oil

Correct Answer:- Option-A
Question45:-Diameter of Capillary tube used in Refrigerator is

A:-0.055 inch

B:-0.0361 inch

C:-0.065 inch

D:-0.0255 inch

Correct Answer:- Option-B

Question46:-Automatic expansion valve controls the flow of Refrigerant to evaporator according ‏ما‎

A:-Pressure

B:-Temperature

C:-Pressure and Temperature

D:-None of these

Correct Answer:- Option-A
Question47:-Dry ice is used for

A:-Cooling water

B:-Cooling milk

C:-Preserving food stuffs

D:-None of these

Correct Answer:- Option-C
Question48:-Substitute எ Freon-12 refrigerant is