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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.

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The product moment of inertia of a rectangular section വ size bxd about its

horizontal centroidal axis is equal to :

ஸி छन

(क्र جج م

© o سرت

If V denotes the shear force acting at a particular section along the span of a beam

having a rectangular cross-section of width b and depth A, then the shear stress at

the neutral axis is :

@ o ® >

o 3V v

0 ऋ o 5

The two independent elastic constants for an isotropic material are :

(A) Young’s modulus and Poisson’s ratio

(B) Bulk modulus and Young’s modulus

(C) Shear modulus and Poisson’s ratio

(D) Bulk modulus and Poisson’s ratio

The static indeterminacy of a propped cantilever beam is equal to :

@A 3 ര 5

(0 1 യ?

Kani’s method can be considered as an extension of the :

(A) Moment-area method

(B) Slope deflection method

(C) Moment distribution method

(D) Column-analogy method

A three hinged parabolic arch is subjected to a udl of 80 kN/m on the left half of the

span. It has a span of 16 m and central rise of 3 m. The horizontal thrust at the left

support will be :

(^) 80kN (B) 120 kN

(C) 182.3kN (D) 160 kN

If a deformable structure in equilibrium under the action of a system of loads is given

a small virtual deformation, then the virtual work done by the external forces is

equal to the virtual work done by the internal forces. This prineiple is known as :

(A) Principle of virtual displacements

(B) Principle of virtual work

(C) Principle of complimentary work

(D) Principle of complimentary displacements

013/2020 4 A

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