Kerala PSC Previous Years Question Paper & Answer
Page:7
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'VOCATIONAL INSTRUCTOR IN MECHANICAL SERVICING AGRO MACHINERY VHSE' And exam conducted in the year 2016. And Question paper code was '077/2016'. 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.
വു
53,
88,
86.
ಈ
58.
69.
The refrigerant commonly used in vapour absorption system is :
(A) Water (B) Freon 12
(C) 80% (D) Agqua-ammonia
A electrolux refrigerator is called :
(A) Single fluid absorption system
(0) Twoa fluid absorption system
(0 Three fluid absorption system
0) Four fluid absorption system
Identify the azeotrope refrigerant from the following :
ಯ) ೫.11 (B) 8-40
(€) 4 © 8
Highly toxic and flammable refrigerant :
(A) Carbon dioxide ത Ammonia
(0 ೯ യ) قد
Environmental protection agencies advice against the use of chloro-fluro carbon refrigerant
hecause :
(ಯ) Theee renct with water and cause acid rain
(ए) These reacts with plants and cause green house effect
(C) ‘These reacts with oxygen and cause its depletion
(D) These reacts with ozone layer
The expansion device used in domestic refrigerator :
(ಗ) Capillary tube
(ए) Float valve
(C) Hand operated expansion valve
(D) Automatic expansion valve
In summer A/C, the air 18 :
ശ്ര Cooled and humidified
(B) Heated and humidified
)© Cooled and dehumidified
(D) Heated and dehumidified
When heat is absorbed by a gas, change in entropy is considered to be :
(^) Positive اع Zero
(C) Negative (D) One
9 077/2016
௩.01
