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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'ASSISTANT PROFESSOR MECHANICAL ENGINEERING TECHNICAL EDUCATION ENGINEERING DCOLLEGES' And exam conducted in the year 2016. And Question paper code was '122/2016'. 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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122/2016
An industrial heat pump operates between the lemperatures of 27° C and ~13° C. The
rates of heat addition and heat rejection are 750 W and 1000 W respectively. The COP
for the heat pump is
A) 7.5 8) 6.5
©) 4.0 D) 3.0
A hydraulic turbine develops 1000 kW power for a head of 40 m. If the head is reduced to
20 m, the power developed (in kW) is
A) 177 B) 354
©) 500 0) 800
Two mating spur gears have 40 and 120 teeth respectively. The pinion rotates at 1200 rpm
and transmits a torque of 20 Nm. The torque transmitted by gear is
A) 80 Nm B) 30 Nm
C) 40 Nm D) 60 Nm
Misrun is a casting defect which occurs due to
A) Very high pouring temperature of the molten metal
B) Insufficient fluidity of the molten metal
C) Absorption of gases by the liquid metal
D) Improper alignment of the mould flasks
Which of the following arc welding process does not use consumable electrode ?
A) GTAW
B) GMAW
©) ७५४५
D) None of these