Kerala PSC Previous Years Question Paper & Answer

Title : Technical Superintendent (Engineering) Kerala Co operative Milk Marketing Federation Limited
Question Code : A


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Technical Superintendent (Engineering) Kerala Co operative Milk Marketing Federation Limited' And exam conducted in the year 2020. And Question paper code was '012/2020'. 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.

page: 8 out of 14
Excerpt of Question Code: 012/2020







Identify the incorrect statement :

A flow nozzle
(^) has a contraction co-efficient of unity
(B) is less costly than a venturimeter
(C) is more efficient than an orifice meter

(D) has overall losers much smaller than in a venturimeter

A gas has a molecular weight of 44. The gas constant R for the gas, in (J/ Kg.K) :
(^) 189 (B) 0.045
(0 1854 യ 1180

An air plane is cruising at a speed of 800 km/h at an altitude where the air
temperature is 0°C. The flight mach number at this speed is nearly :

(ಯ) 1.38 ®) 0.25

© 24 യ 0.67

The unit speed Nu of a turbine of rotational speed N and head H 18 equal to :
& NVH ‏٦۷٦۷٦٦٣ رھ‎
(¢) ‏٣٥٣‎ ത JHN

A fast centrifugal pump impeller will have :
(A) forward facing blades
(B) radial blades
(C) backward facing blades
(D) propeller type blades

The indicator diagram of a reciproeating pump is a plot of :
(^) work done Vs stroke length
(B) acceleration head Vs stroke length
(C) angular displacement Vs stroke length
(D) pressure head Vs stroke length

012/2020 10 A

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