Kerala PSC Previous Years Question Paper & Answer
Page:9
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.
67.
68.
69.
70.
7L
72.
78.
74,
The size of 1/2" copper tube is equal to :
(ಗಿ)
(0)
12 mm 8)
14 mm (D)
360 litres refrigerator
ಯ). 1480
(¢) 1/6H.P
compressor 16 used.
(2)
(D)
13 mm
15 mm
1/5H.P
1/81117
The temperature in degree centigrade for human comfort is ட்
17
21
If the vacuum level inside the refrigerator is 30 mm of Hg the moisture boiling temperature
30°C
40°C
Thickness
Area
Tin
Gold
To cool 20 litres of water from 32°C to 12.5°C in one hour. Calculate the amount of heat
@A) 15 (B)
© 19 0)
will be :
(ಗ) 0 (B)
(©) 55% തു
The size of the gasket 15 depends on :
(५) Width (ए)
(0) Length (D)
The material with highest ductility :
(ಯ) Castiron رت
(0 000008 (0)
removed :
(ಗಿ) 370 Keal/Hr (B)
(C) 390 Keal/Hr (1)
380 Kcal/Hr
400 Kcal/Hr
In large capacity air — conditioning applications the following expansion device is used ;
(ಹ) Capillary tube
(0) Float valve
फ)
(0)
11
Thermostatic expansion valve
Automatic expansion valve
169/2016
P.T.0]
