Kerala PSC Previous Years Question Paper & Answer

Question Code : A


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'ASSISTANT ENGINEER(CIVIL) IRRIGATION' And exam conducted in the year 2020. And Question paper code was '013/2020'. 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: 3 out of 14
Excerpt of Question Code: 013/2020










A column, hinged at both ends, is having an unsupported length of 8 m,
second moment of area Iyy =400cm®, Iy =120 cm* and area of cross-section 30 cm®.
The slenderness ratio of the column is equal to:

മു 150 (9) 120

(2) 180 D) 82.2

Find the pressure represented by a column of 10 cm of water if specific weight of
water is taken as 10 kN/m3 :

(A) 1kN/m? (B) 1000 kN/m?

(0) 12೫/೧2 (D) 100 kN/m?
The flow of a liquid at constant rate in a uniformly tapering pipe is :

(A) Steady, uniform flow (B) Unsteady, uniform flow

(C) Steady, non-uniform flow (D) Unsteady, non-uniform flow
The line joining the piezometric heads at various points in a flow is known as the :

(A) Total energy line (B) Hydraulic Gradient line

(C) Datum (D) None of the above

A jet of water coming out of a nozzle with velocity 50 m/s is having cross sectional
area of 20 em2 The jet is directed against a fixed flat plate held normal to the jet.
Find the force exerted on the plate :

(A) 5000 N ൫ 2000 N

(C) 5000 kN त) 200N

In a hydraulic jump occurring in a horizontal rectangular channel the sequent depths
are 0.5 m and 1.5 m. The energy loss in this jump is:

(^) 1m (B) 1.56m
€) 2m യ 0.88 का
The evaporation through plants and from the surrounding soil together 15 ೧81106 :
(^) Infiltration (B) Interception
(C) Evapotranspiration (D) Transpiration

Find the delta for a crop if the duty for a base period of 100 days is 4320 hectares per
cumec :

മു 0112 (8) 0.2
(ಲ) 04m D) 1m

In the single point method of finding the mean velocity across a vertical in a stream,
if y is the depth of flow, the velocity is measured above the stream bed at :

(A) 06y (B) 02y

(C) 08y യ 04y

5 013/2020

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