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 'Boiler Attendant' And exam conducted in the year 2023. And Question paper code was '104/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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.
FINAL ANSWER KEY
Question 104/2023/0L
Paper Code:
Category 156/2022
Code:
Exam: Boiler Attendant
Date of Test 04-07-2023
Department Pharmaceutical Corporation Kerala Ltd
Question1:-If a pure substance in the gaseous phase is to be liquefied, it must first
be cooled below the
A:-triple point
B:-critical state
C:-saturated vapor line
D:-saturated liquid line
Correct Answer:- Option-B
Question2:-In Mollier diagram, lsobars
A:-are parabolic
B:-are parallel straight lines
C:-diverge from one another
D:-converge gradually
Correct Answer:- Option-C
Question3:-The density difference between saturated liquid and saturated vapor is
at critical state.
A:-Unity
B:-Zero
C:-Maximum
D:-Minimum
Correct Answer:- Option-B
Question4:-Which of the following is the equation for heat of superheated steam?
१ 11177
8 ور عجر - معذ:
[भ 17111
Di-hsup=hy+ohjo+cpslog 75
Correct Answer:- Option-A
Question5:-The throttling calorimeter is used for measuring
A:-dryness fraction of high-pressure steam