Kerala PSC Previous Years Question Paper & Answer

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

Page:6


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: 6 out of 11
Excerpt of Question Code: 031/2017/OL

C:-0.1
D:-1
Correct Answer:- Option-D
Question48:-Aquifer in which water table serves as the upper zone of saturation is
A:-Non artesian aquifer
B:-Artesian aquifer
C:-Confined aquifer
D:-Aquifuge
Correct Answer:- Option-A
Question49:-Piles used to protect water front structures against impact from floating bodies are
A:-Anchor piles
B:-Fender piles
C:-Sheet piles
D:-Batter piles
Correct Answer:- Option-B
Question50:-The seepage velocity (Va) is connected to discharge velocity (V) and porosity (n) by

B:-Va = V.n°
C:-Va= *V_((n)/(1-n))*
D:-Va= *V_((n)/(1+n))°
Correct Answer:- Option-A
Question51:-A discrete particle undergoing plain sedimentation in a se!
captured in the tank with 100% efficiency, if the settling velocity ("Vs)°
A: Vs> > *(Q)(LB)
5:4௮ ಆ (൭/8)
೦-೫6" < (0/80)
D:-Vs* < *(Q)/(BD)
Correct Answer:- Option-A
Question52:-The coagulant used for treating boiler feed water 15
A:-Alum
B:-Sodium aluminate
C:-Chlorinated Copperas
D:-Copperas
Correct Answer:- Option-B
Question53:-Which property of the aggregate is found by impact test ?
A:-Toughness
B:-Hardness
C:-Endurance
D:-Fatigue
Correct Answer:- Option-A
Question54:-The permissible limit of hardness for drinking water according to IS 10500, 2012 is
A:-200 mg/L
B:-300 mg/L
C:-600 mg/L
D:-400 mg/L
Correct Answer:- Option-C
Question55:-The effective pressure at any plane in a soil mass is equal to
A:-Total vertical pressure
B:-Neutral pressure
C:-Neutral pressure minus pore pressure
D:-Total vertical pressure minus pore pressure
Correct Answer:- Option-D
Question56:-A 20 m chain was found to be 0.02 m too long after chaining 100 m. It was found to be 0.04 m too long after
chaining 600 m. If the chain was correct before commencement of work then the true distance is
A:-600.8 m
B:-600.4 m
C:-600.6 m
D:-600.3 m
Correct Answer:- Option-A

tank of length L, Breadth B, and Depth D will be
* (Q=discharge in the tank).

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JUNIOR TECHNICAL OFFICER -CIVIL- NCA - OBC : Video