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 ' Junior Instructor (Draughtsman Mechanic)' And exam conducted in the year 2023. And Question paper code was '180/2023'. 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.
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Both the pressure and velocity of steam drop in the case of :
(^) Impulse turbine
(B)_ Reaction turbine
(C) Velocity compounded impulse turbine
(D) Pressure compounded impulse turbine
The first nuclear power plant in India was installed at :
(A) Tarapur (3) Neyveli
(0) Kudankulam (D) Kota
The economiser in a boiler is used to :
(A) Increase the flue gas temperature
൯) Increase the efficiency of boiler
(C) Decrease the consumption of fuel
(D) Reduce the water consumption
La Mont boiler is a —-__—_— pressure, water tube steam boiler working on forced
circulation.
(A) Low (B) High
(C) Medium (D) Super-critical
Which of the following statements is incorrect?
(A) In spur gears, friction losses are less than 5 percent
(B) Mitre gears are spur gears with the same number of teeth
(C) Worm gears are generally made of cast iron
(D) Cycloid gears are free from interference
Priming is necessary in the following type of pump :
(A) Gear pump (B) Reciprocating pump
(C) Centrifugal pump (D) Multi stage pump
Belt drive is :
(A) Positive drive
(B) Nota positive drive
(C) Used for small torque transmission
(D) Used for non-slip drive
180/2023 12 A