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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Engineering Assistant Grade I - Kerala State Construction Corporation Ltd ' And exam conducted in the year 2022. And Question paper code was '085/2022'. 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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A spillway discharges flood at a rate of 9 m*/s per metre width. If the depth of flow on the

horizontal apron at the toe of the spillway is 50 cm, the minimum length of apron required at

the downstream should be at least :

(A) 2m ൯) 9m

(C) 15m (D) 25m

A cube 50 cm side is inserted in a two-layer fluid with specific gravities 1.2 and 0.9. The

upper and lower halves of the cube are composed of materials with specific gravity 0.6 and

1.4 respectively, determine the depth of the top of the cube above the interface :

(A) 3.33 cm ൯) 13.33 cm

(0 25.100 ൯൩) 33.33 cm

Most economical circular section for maximum velocity condition is :

(A) _ hydraulic radius is 81% of the diameter

(B) flow depth is 81% of the diameter

(C) hydraulic radius is 95% of the diameter

(0) flow depth is 95% of the diameter

A large irrigation canal can be approximated as a wide rectangular channel and Manning’s

formula is applicable to describe the flow in it. If the gauge is related to discharge © as:

Q=C(G-a)’

(A) 1.67 (B) 1.83

(C) 0.67 (D) 0.38

The average compressive strength of common burned clay brick of class 35 is :

(A) 35 N/mm? (B) 85 Nicm?

(C) 35 kN/mm? ൯൩) 35 t/em?

Brick frog 15 :

(A) Projection on the brick face ൯) Depression on the brick face

(C) Impression of a frog on the brick (D) Brick made of a frog and clay

Where is rebar used?

(A) Mat Foundation (B) Framed structure

(C) RCC Beam ൯) All of the above

085/2022 8 A

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