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 'Refrigeration Mechanic - Apex Societies of Co-operative Sector in Kerala/ MATSYAFED ' And exam conducted in the year 2022. And Question paper code was '039/2022'. 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.
60. The melting temperature of Tin an Lead is:
(A) 188 degree Celsius and 202 degree Celsius
(B) 201 degree Celsius and 212 degree Celsius
(C) 221 degree Celsius and 228 degree Celsius
(D) 282 degree Celsius and 327 degree Celsius
61. In working Deep freezer if the voltage drops, the compressor will be stopped by :
(A) Thermostat (B) Relay
(C) Timer (D) Overload protector
62. The kind of wiring will be in small capacity of Defreezer are :
(A) CSIR (B) CSR
(0) RSIR (D) PSC
63. Accumulation of ice in a defreezer can be diagonised by :
(A) Discolour the external body (B) Cold spot on the outside surface
(C) Compressor run continuously (D) Deteriorate the food stored inside
64. What happens if air present in ice?
(A) Clear white ice is obtained (B) Dark white ice is obtained
(C) No white ice is obtained (D) Milky white ice is obtained
65. Name the instrument used to check the air velocity in window air conditioner :
(A) Thermostat (B) Anemometer
(C) Barometer (D) Voltmeter
66. Select the physical condition of a filter/drier in a split ac unit if it is clogged :
ھ) Cool (B) Hot
(C) Warm (D) Normal
67. The condensing unit kept closer to the split ac unit in order to reduce :
(A) Expense ൯) Pressure drop
(C) Line temperature (D) Oil flow and viscosity
039/2022
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