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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 MECHANIC REFRIGERATION AND AIR CONDITIONING INDUSTRIAL TRAINING' And exam conducted in the year 2018. And Question paper code was '067/2018'. 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.
84,
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The unit of Resistance is
(ಹ) Ohm (8) Farad (ಲ) ೫೦0 (D) Ampere
The heart of the refrigeration system is
(ಹ) Condenser (8) Evaporator ) Liquid receiver (D) Compressor
Which line in Psychrometric chart as obliquely inclined straight lines and uniformly
spaced ?
(A) Relative humidity lines (B) Specific humidity lines
(ಲ) Enthalpy (D) Specific volume
In star delta starter the main contactor is named as :
(ಹ) KM1 © 2 © 53 رم ××
What is the purpose of adding dye in compressor lubricating عمق عط ما له AC system 7
(ಹಿ) Identify the gas leak (8 Lubricate the engine
(9) Adding performance (D) Improve efficiency
The relationship between rotor speed ‘N’, frequency ‘Y’ and no. of poles ‘P’ given by the
relation :
(A) N=120{/P (B) PN=120f (ಲ) {=120N/P (D) N=120P/f
The coil has to be rinsed after de-scaling till the pH level comes to :
(8) 51055 (೫) 6065 (೦ 7075 (0 8085
The voltmeter can be used in
(A) Series connection
(8) Parallel connection
(C) Combination of both series and parallel
(D) None of these
13 067/2018
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