Kerala PSC Previous Years Question Paper & Answer
Page:5
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Technician Grade II (Refrigeration Mechanic)' And exam conducted in the year 2022. And Question paper code was '073/2022/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
Question33:-A centrifugal compressor is also called
‘AcTurbo compressor
B:-Radial compressor
Scroll compressor
D-Both (1) and (2)
Correct Answer:- Option-D
Question34:-An example of dynamic compressor is
‘AcRotary vane compressor
B:-Reciprocating compressor
C-Rotary scroll compressor
Centrifugal compressor
Correct Answer:- Option-D
Question35:-Rotary screw compressor is used for industrial and commercial applications with a capacity range of
cS to 10 tons
B:-20 to 750 tons
೦-೩೩ to 15 tons
D-Above 1000 tons
Correct Answer:- Option ®
Question36:-The size of the gasket specified by its
‘Ac Material
B:-Thickness
ட்ட
D-Both (1) and (3)
Correct Answer:- Option ®
Question37:-The main disadvantage of water cooled condenser is
‘Ac Expensive
B:-Low heat transfer rate
وأ لعولا low capacity plants
D-They have fans mounted in them
Correct Answer:- Option-é
‘Question38:-The condenser both air and water used as cooling medium is
‘Ac Evaporative condenser
B:-Plate type condenser
C-Shell and coil condenser
D-Shell and tube condenser
Correct Answer:- Option-é
Question39:-The efficiency of condenser increases due to
‘Ace scaling
B:-Scaling
C=Painting
D-Both (2) and (3)
Correct Answer:- Option-é
Question40:-In natural cooling tower, its sides are
AcClosed
B:-Opened
Partially opened
D-None of these
Correct Answer:- Option ®
Question41:-In hard water the calcium carbonate contents is
Ac-Less than 60 ۷۸