Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'A/C MECHANIC KTDC' And exam conducted in the year 2017. And Question paper code was '132/2017'. 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.
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‘HEPA’ stands for .
(^) High Energy Particulate Air
(8) High Efficiency Particulate عنم
(0 High Entry Particulate Air
(D) Highly Effective Pressurized Air
As the engine speed decreases, the cooling capacity of the car AC system
(A) increases
(8) remains unchanged
(C) decreases
(D) may increase or decrease depending on number of persons travelling in car
Refrigerant 407 C is combination of .
(A) R-290 & R-1270 (B) R-6002 & R-134a
(C} 8-125, 3-600 & R-134a (D) R-32,R-125&R-134a
What is temperature of Neutral flame in Oxy-Acetylene Brazing set ?
(A) 2200°C (೫) 3200-0
(೧ 6 യ) 52006
1 micron = millimetre of Hg.
(வ 1100 0) 11000
(©) 0 (೧) 1/10
Azeotropic Mixtures are designed by series.
(^) 500 0) 400
(€ 700 (D) 600
How are the reciprocating compressor classified depending on working ?
(^) Vertical & Horizontal (B) Single & Double acting
(C) Open type & Semi sealed (D) Semi & Hermetically sealed
GWP of R-11 is
(A) 8500 0) 5400
(೧. 4500 (D) 1800
7 132/2017
[P.T.O.]
