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: 11 out of 14
Excerpt of Question Code: 013/2020









What is the range of silt size particles according to IS classification :
(^) 4.75 mm to 2.00 mm (B) 2.00 mm to 0.425 mm
(ಲ) 0.425 mm to 0.075 mm (D) 0.75 mm to 0.002 mm

In a falling head permeameter, a soil sample 75 mm in diameter and 36 mm in length
was tested. At the commencement of the test, the initial head was 80 em and after
one hour, the head drops to 40 em. The coefficient of permeability if the diameter of
the stand pipe is 1 em, in em/sec will be :

(^) 1 (B) 188

(0). 1981073 त) 1.28>10-5
A vane 20 cm long ஹல 10 em in diameter was pressed into soft marine clay at the

bottom of a bore hole. Torque was applied gradually and failure occurred at
2000 kg/em, the cohesion of the clay in kgfem? is :

5 7
^ ವ್ಯಾ ® ‏م‎
‎o ವಶ 7
© 7*7 യ ‏2ح‎

An un drained triaxial compression test is carried out on a saturated clay sample
under a cell pressure ‏له‎ 200 kN/m2. The sample failed at a deviator stress വ്‌
400 kN/m2. The eohesion of the given clay sample is:

(^) வைட்‌ ௫ ஊண்‌

(¢) 800kN/m? ம 400kN/m?
Flow lines and equipotential lines meet each other at an angle :

ಯ) 0 (B) 60

(0 90 യ) 120

Newmark’s chart is used in foundation engineering to determine :

(^) earth pressure

(B) seepage loss

(C) permeability of soils

(D) stresses in soil due to surface loading
According to Terzaghi, the ultimate bearing capacity of a purely cohesive soil, at
ground surface for a rough based footing is:

ಯ) ௨140, ൪ 56.140, +

(0 5.70 (D) None of the above
Application of bituminous material over an existing pavement surface which is
relatively impervious is

(A) Prime Coat (B) Tack Coat

(C) Seal Coat (D) Surface Dressing

13 013/2020

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