Page:4
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'TRADESMAN REFRIGERATION AND AIR CONDITIONING TECHNICAL EDUCATION' And exam conducted in the year 2016. And Question paper code was '169/2016'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. 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.
26.
27,
28.
29.
30.
31.
82.
38.
High side float valve is fitted on the condensing unit just after the :
(ಗ) Receiver (18) Compressor
(0 Condenser (D) Evaporator
According to Ohm's law [ = :
R
V. B =
(ക V.R (B) v
17
© RV D) 7
When air is heated relative humidity :
(4) Decreases (2) Increases
(0 Very high (D) None of the above
Which chemieal is used for condenser descaling?
(ಯ) Phosphoric acid (B) Sulphuric acid
(C) Citric acid (D) Hydrochloric acid
Which refrigerant charged in car A.C?
ക 1 (B) 1822
ത 134; യ 12
The pipes which are used for absorption refrigeration system :
(2) Galvanised (18) Steel
(£) PVC (D) Brass
Convert from CFC 12 to HFC134, 80011800, the compressor displacement will be :
(^) Slightly larger (B) Smaller
(0 Equal (D) Double
Dry ice is :
بی Ammonia (B) H,0
(¢) Carbon mono-oxide (D) Carbon dioxide
169/2016 6