## Kerala PSC Previous Years Question Paper & Answer

Title : Overseer / Draftsman (Mechanical) Gr II (Special Recruitment From Among SC/ST) English
Question Code : A

Page:7

Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Overseer / Draftsman (Mechanical) Gr II (Special Recruitment From Among SC/ST) English ' And exam conducted in the year 2019. And Question paper code was '055/2019'. 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: 7 out of 14
Excerpt of Question Code: 055/2019

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84.

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57.

By providing a thick head gasket, the compression ratio of the engine will:
{A) increase (8) decrease

(0) double (D) remain constant

A pitot tube is used to measure:
{A) Pressure (3) Pressure difference
{C) Velocity of flow യ Density of fluid

Forces acting on a floating body are:
{A) Inertia and gravity {B) Buoyancy and gravity
{C) Buoyancy and inertia യ) Pressure and gravity

Euler’s equation for the motion of liguid assumes that:
(ಹ) velocity of flow is non uniform
{B) flow is unsteady along the stream line
{C) fluid is viscous

യ fluid is homogeneous and incompressible

The most efficient section of a channel is:
(ಹ Triangular ൫) Rectangular
{C) Trapezoidal (D} Square

Velocity of fluid particles at the centre of pipe section is:
(ಹ maximum {B) minimum

(0 medium (1) equal throughout

‘Why the alcohol is used in manometer?
(ಹ) It provides longer column due to low density
(0) Itis clearly visible
{C) It has low vapour pressure

(>) It has low surface tension

To avoid cavitations in centrifugal pump:

(ಹ) suction pressure should be low {B) delivery pressure should be low
{C) suction pressure should be high {D) delivery pressure should be high
9 55/2019

[P.T.O.]