Kerala PSC Previous Years Question Paper & Answer
Page:2
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.
10.
11
12.
18.
14.
18.
16.
The head against which the centrifugal pump has to work is called :
(^). Btatic head (B) Suction head
(¢) Delivery head (11) Manometric head
An example of a turbine with high head and low specific speed is :
(ಯ) Kaplan (B) Francis
(6 Pelton (D) None
The slip of a single acting reciprocating pump, running at 50 rpm, delivers 100 liters/s when-
the diameter of piston and stroke length are 200 mm and 400 mm respectively is :
(A) 0.47 m¥sec (8) 0.047 m¥sec
(¢) 0.00047 ೫71/8 (D) 4.7 75
In the Van 60: 1111 equation (p+(a/v?) (v-b) = RT the unit of constant a is :
(ക്ര Nm? (B) Nm*
(C) N/m യു None
Which parameter remains constant during Joule-Thomson expansion?
(ಯ) Temperature (B) Pressure
(C) Enthalpy (1)) Volume
For an ideal gas the compressibility factor is :
ಯ Zero (2) பாவடி
{C) Infinity - . (@) None
A heat pump works on reversed Carnot cycle has a COP of 5. If it works as a refrigerator
taking 1 kW of work input, the refrigerator effect will be :
८4) 1kW ஙு 2kW
(0) 310 D) கண
The value of Universal gas constant is : .
(A)S.SMJ/kgK‘ (8) 83.14 kJ/kgK
(0 8.314 kJ/kgK 01) None
Which one of the following is the extensive property of the system? _
(A}Vo!umn (B)Pmasuru
(C) Temperature (D) Density
3/2014 4 A
