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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'REFRIGERATION MECHANIC UIP HEALTH SERVICES' And exam conducted in the year 2016. And Question paper code was '066/2016'. 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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HFC 134 A appliance has capillary length when compare to CFC unit :
(ಗಿ) 10% ௦ 20% ஐ (B) 20% short
(0) 50% longer (D) same length
The effectiveness of the cooling tower 18 dependent on :
(ಗ) Dry bulb temperature of the air 18) Direction of the flow of air
(0 “Wet bulb temperature of the air (D) None of the above
Milky white ice obtained if -
(ಗಿ) impurities are present in water
(B) due to the presence of CO,
(£) by keeping in an insulated chamber
(D) air is present in it
In a shell and coil condenser :
(4) water flows in the shell and refrigerant in the coil
(B) only refrigerant flows through the shell as well as coil
(0) only water flows through the shell as well as coil
(D) water flows in the coil and the refrigerant in the shell
In a thermal electric expansion valve which senses the suction temperature is :
(^) Transformer (B) Thermister
(ര Thermostat (D) Rheostat
In a flooded evaporator which of the following types of expansion, device is employed :
(¢) ண்ட (B) capillary tube
(©) automatic expansion valve (D) thermostatic expansion valve
In an ice plant the function of brine agitator is :
(ക) toincrease COP (8) to reduce compressor power
(C) to obtain uniform temperature (D) to super heat the refrigerant gas
In an air conditioning system the comfort conditions are defined نيط
(ക 15°C DBT 90% RH (೫) 25°C DBT 35% RH
(©) 20°C DBT 80% RH (D) 22°C DBT 60% RH
9 066/2016
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