Kerala PSC Previous Years Question Paper & Answer
Page:10
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name ' Drilling Assistant (SR for SC/ST)' And exam conducted in the year 2023. And Question paper code was '136/2023/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.
B:-Chromates
C:-Glycerine
D:-Calcium chloride
Correct Answer:- Option-B
Question47:-While engine working, the oil warning light provided on the dash board
comes on, it means
A:-High oil pressure
B:-High oil level
C:-Low oil pressure
D:-Leakage of oil
Correct Answer:- Option-C
Question48:-Which type of lubrication system used a scavenge pump?
A:-Wet sump lubrication
B:-Splash lubrication
C:-Petroil lubrication
D:-Dry sump lubrication
Correct Answer:- Option-D
Question49:-The temperature at which lubricating oil will began to burn
continuously on applying a flame is called
A:-Flash point
B:-Fire point
C:-Combustion point
D:-Pour point
Correct Answer:- Option-B
Question50:-Which of the following chemical substance are added to lubricating oil
as anti-forming additives?
A:-Polyisobutane
B:-Polyalyenyl chloride
C:-Polyorganosiloxanes
D:-Thiophosphoric acid
Correct Answer:- Option-C
Question51:-The friction that occurs between the layers of oil in an oil film is called
A:-Viscous friction
B:-Direct friction
C:-Boundary friction
D:-Solid friction
Correct Answer:- Option-A