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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 - Kerala State Pollution Control Board ' And exam conducted in the year 2022. And Question paper code was '073/2022'. 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.
073/2022
x
Total Marks : 100 Marks
Time : 1 hour and 30 minutes
4 2 3
The rank of the matrix = | 8 4 6 | is
-2 -1 -1.5
(A) 3 (B) 2
(0) 1 (D) 0
4 1 ⋅ കം
IfA= 3 21 then the Eigen values of 2A? is
(A) 1,5 (B) 2,50
(C) 4,2 (0) 8,4
3 ९3 0 Cu
ധി لے மஸ Sy ஏடி
x+y Ox oy
(A) tan2u (B) cos 2u
(C) cos? 20 ൩) sin2u
The rectangular solid of maximum volume that can be inscribed in a given sphere is
(A) _ parallelopiped (B) cuboid
(6) rectangular box (D) cube
The vector field F defined by F = 2௫௪1 + x23} + 3x2yz2k is
(^) irrotational (B) 10800081
(0) 8016001081 (D) potential
4
he particular integral of (D - 2)*y = 8(e?* + sin
(ಹ) 4€2* + ०05 + 22 + 2 + 3
2x +x?) is
(8) 4x7e?* + cos 25 + 2x2 + 4x +3
(0) xe?*+sin 2x +x2+x+2 (
{८ —a)" dz where C is the circle |z—a| =r is
(^) 271
(C) 0
(8)
(2) ai
D) xe?*+sin 2x +x2+2x+2
- 201
` 073/2022
[P.T.O.]