B:-120 to 180 PPM
(C-More than 180 PPM
0:60 to 120 PPM
Correct Answer:- Option ®
Question42:-The difference between the cooling tower water inlet and outlet temperature is known as
‏عمو م ممم‎
B:-Blow down
C-Range
De-fficiency
Correct Answer:- Option-C
Question43:-Thermostatic expansion valves are generally set for a super heat of around
കടെ
B:-0 to 39°C
ടെ
5:166 86
Correct Answer:- Option-C
೦0500744: which type of expansion valve has high efficiency 7
‘A-Capillary Tube
B:-Automatic expansion valve
C:Hand expansion valve
D:-Thermostatic expansion valve
Correct Answer:- Option-D
Question4s:-The location of an expansion valve in a system is
‘AcBetween condenser and drier
B:-Between compressor and condenser
‏ممع سام هيع‎ evaporator and accumulator
D-Between liquid receiver and evaporator
Correct Answer:- Option-D
Question46:-The evaporator is also known as
AcChilling coil
B:-Freezing coil
C=Cooling coil
D-All of the above
Correct Answer:- Option-D
Question47:-The evaporator which is used in high capacity refrigeration systems is
‘Ac Dry expansion evaporator
B:-Plate surface evaporator
C-Flooded evaporator
D-Bare tube evaporator
Correct Answer:- Option-C
Question48::Which process is done first in spit AC for shifting from one place to ancther ?
‘AcFlushing
B:-Evacuation
c=Pump down
D:-Vacuumisation
Correct Answer:- Option-C
Question49:-A compressor coupled to a motor externally is called
‘AcSealed compressor
B:-Semi sealed compressor

C-Open type compressor