Kerala PSC Previous Years Question Paper & Answer

Title : JUNIOR TECHNICAL OFFICER -CIVIL- NCA - OBC
Question Code : A

Page:4


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'JUNIOR TECHNICAL OFFICER -CIVIL- NCA - OBC' And exam conducted in the year 2017. And Question paper code was '031/2017/OL'. 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: 4 out of 11
Excerpt of Question Code: 031/2017/OL

C:-3
D:-1
Correct Answer:- Option-A
Question29:-Fine aggregates are not suitable for RCC work if they belong to
A:-Zone 1
B:-Zone 2
C:-Zone 3
D:-Zone 4
Correct Answer:- Option-D
Question30:-The stiffness matrix of a beam element is given by *((2El)/(L)) [[2,1],[1,2]] . Then flexibility matrix is
‏((اع6)/نا))”‎ ]]2,-11,]-1,21['
(0/2) [12,1111,211'
(0/൫) 11-24-2൮
0:- (()/58)) [2,-11|[-1,2]]
Correct Answer:- Option-A
Question31:-Allowable shear stress in an unstiffened web of a steel beam of grade 250 N//mm*(2)*
A:-250 N/mm*(2)°
8:-100 ॥/ ന്ന )2(“
(:-165 ॥/॥17 (2)
0:-150 ॥/ 117 (2):
Correct Answer:- Option-B
Question32:-The plastic modulus of a section is 4.8 *xx* ‘10*(-4)° *m*(3)° . The shape factor is 1.2. The plastic moment
capacity of the section is 120 KNm. The yield stress of the material is
A:-100 MPa
B:-240 MPa
C:-250 MPa
D:-300 MPa
Correct Answer:- Option-C
Question33:-The effective length of a compression member held in position and restrained in direction at both ends in terms
of actual length 'L' is
൧:-0.8 ح١‎
B:-0.65 L
சேட்‌
0:-1.5 1
Correct Answer:- Option-B
Question34:-The efficiency of sedimentation tank for a given discharge can be increased by
A:-increasing surface area of tank
B:-decreasing depth of tank
C:-increasing depth of tank
D:-decreasing surface area of tank
Correct Answer:- Option-A
Question35:-The type of boring/drilling used in site exploration of rock formations is
A:-Auger boring
B:-Wash boring
C:-Percussion boring
D:-Rotary boring
Correct Answer:- Option-C
Question36:-The most commonly used disinfectant in public distribution systems in India is
A:-Alum
B:-Lime
C:-Chlorine
D:-Potassium permanganate
Correct Answer:- Option-C
Question37:-The permissible limit for iron in drinking water according to latest Indian standard (IS 10500, 2012) is
‏1-:۸ھ‎ mg/L
B:-0.3 mg/L
C:-0.6 mg/L
D:-0.5 mg/L
Correct Answer:- Option-B

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