Kerala PSC Previous Years Question Paper & Answer

Title : ASSISTANT ENGINEER -MECHANICAL - SR FOR SC/ST
Question Code : A

Page:9


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'ASSISTANT ENGINEER -MECHANICAL - SR FOR SC/ST' And exam conducted in the year 2015. And Question paper code was '038/2015/OL'. 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.

page: 9 out of 11
Excerpt of Question Code: 038/2015/OL



multistage turbine
:-simple reaction turbine
D:-velocity compounded impulse turbine
Correct Answer:- Option-A
Question78:-The refrigerant R-744 is
A:-ammonia
B:-freon-12
C:-carbon dioxide
D:-sulphur dioxide
Correct Answer:- Option-C
Question79:-The most flexible criteria for analysing an economic investmet is
A--rate of return criteria
-salvage value
C:-present value method
D:-future value method
Correct Answer:- Option-B
Question80:-Which of the following represents a group incentive plan?
A:-Rowan plan
-Bedaux plan
C:-Halsey premium plan
D:-Scanlon plan
Correct Answer:- Option-D
Question81:-Indicated results are most accurate when the pointer in the analogue read out system lies
A:-around the mid-third of the scale
-in the first quarter of the scale
:-in the second quarter of the scale
D:-around the full capacity of the scale
Correct Answer:- Option-A
Question82:-In a gas turbine cycle, the turbine output is 600 kJ/kg, the compressor work is 400 kJ/kg and the heat supplied is
1000 kj/kg. The thermal efficiency of the cycle is
A:-60%
B:-40'
20:
D:-80%
Correct Answer:- Option-C
Question83:-Collapsible toothpaste tubes are manufactured by
A:-Cupping
B:-Extrusion
C:-Cold rolling
D:-Deep drawing
Correct Answer:- Option-B
Question84:-A large clearance volume in a reciprocating compressor results in
A:-lower suction pressure
B:-increased volume flow rate
C:-reduced volume flow rate
D:-lower delivery pressure
Correct Answer:- Option-D
Question85:-The speed variation of the engine caused by the fluctuations of engine turning moment is controlled by
A:-Flywheel
B:-Throttle valve
C:-Governor
D:-D-slide valve
Correct Answer:- Option-A
Question86:-If the tearing efficiency of a riveted joint is 60%, then the ratio of pitch of diameter of rivet is

%
946

D:-0.50
Correct Answer:- Option-C

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ASSISTANT ENGINEER -MECHANICAL - SR FOR SC/ST : Video