Kerala PSC Previous Years Question Paper & Answer
Page:8
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.
46.
47.
48,
49.
50,
51,
52,
53.
How much air is normally required for the working of air-cooled condenser per ton of
refrigeration ?
(ಹ) 50to 55 cu.m/min. 8
(C) 20 to 25 cu.m/min. D)
The thermistors are
കു
(9)
©
(D)
pressure type temperature sensors
bellow type temperature sensors
resistance type temperature sensors
all of the above
What are the examples of non-fusion welding ?
(ಹ) Arcwelding
(೮) Soldering
®)
യ
Alternative refrigerant of R-22
ക 84014
(೧ ೩-500
0)
യ
Voltage rating of starting capacitor used in ACs
^) 410V ®)
© ۷ യു
50 °F is
^) 125°C ®)
© 75 ८ യു
What is a Rectifier ?
(A) DC to AC converter (B)
(೮) Both (A)and (B) possible o
What is the voltage required for LED ?
(^) 12-7۷ ®)
(0 32-451 യ
132/2017 8
30 to 35 cu.m/min.
60 to 65 cu.m/min.
Oxy-Acetylene welding
None of the above
1410 &
3-507
230V
110V
5°C
10°C
AC to DC converter
None of these
22-35V
42-55V
