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 'LECTURER IN MACHANICAL ENGINEERING POLYTECHNICS TECHNICAL EDUCATION' And exam conducted in the year 2014. And Question paper code was '003/2014'. 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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The refrigeration system ೧? ೧ passenger aircraft works on reversed :
(2) Brayton Cycle (B) Atkinson cycle
{C) Ericson cycle (D) Carnot cycle
During which component of vapour compression refrigeration system, the enthalpy remains
Constant :
(ಗೆ) Evaporator (B) Compressor
(3) Throttle Valve (D) None
One tone of refrigeration is equal to :
(ಯ) 35kW B) 5kW
00 ۷ - (D) 125kW
The ignition temperature of diesel is about :
(ಗ) 2500 (8) 40070
(©) 600°C D) 750°C
Knocking tendency in SI engine reduces with increasing :
(ക) Compression Ratio (B) Wall temperature
(0) Engine Speed (D) None
The two reference fuels used for cetane rating are :
(ಕ) Cetane and iso octane
(B) Cetane and tetra ethyl lead
(¢) Cetane and alpha methyl naphthalene
(D) None
For a two stage reciprocating air compressor with perfect inter cooling the work input will be
minimum if the supply pressure P1, the intercooler pressure P2 and the delivery pressure P3
satisfy the relation :
(2) P2=(P1*P3)"s (8) P2=(P1+P3)2
(0) 22 = 21/53 (D) None
Optimum pressure ratio for maximum specific output for ideal gas turbine power plant
operating at initial temperature of 300 K and the maximum temperature of 1000 K is closer
to: '
லக ® 8
(0 12 1 യു 16
3/2014 10 A
