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 ' 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.
Correct Answer:- Option-D
Question41:-Where is the thermostat valve fitted in pressurized cooling system?
A:-Water outlet of water pump
B:-Water outlet of water jacket
C:-Water outlet of radiator
D:-Water outlet of cylinder head
Correct Answer:- Option-D
Question42:-Percentage of fuel energy lost to the cylinder walls in an automobile
engine is approximately
A:-10%
B:-30%
C:-45%
D:-60%
Correct Answer:- Option-B
Question43:-In which type of radiator cores upper and lower tank are connected by
tubes, and fins are provided around this?
A:-Tubular type
B:-Cellular type
C:-Honey comb type
D:-Air cell type
Correct Answer:- Option-A
Question44:-In which type of engine, Keel cooling system is generally used?
A:-Two stroke engines
B:-Heavy duty engines
C:-Marine engines
D:-Air craft engines
Correct Answer:- Option-C
Question45:-The vacuum valve inside the radiator pressure cap is usually set to
operate when the vacuum exceeds about
A:-5 kPa
B:-10 kPa
C:-50 kPa
D:-100 kPa
Correct Answer:- Option-A
Question46:-Which of the following is a commonly used corrosion inhibitor in engine
coolant?
A:-Ethylene glycol