Kerala PSC Previous Years Question Paper & Answer
Page:5
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'FIRST GRADE DRAFTSMAN/ OVERSEER - CIVIL' And exam conducted in the year 2017. And Question paper code was '041/2017/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.
B:-Igneous rocks
C:-Metamorphic rocks
D:-All the above
Correct Answer:- Option-C
Question39:-The tendency of a stone to split along
A:-structure
B:-cleavage
C:-texture
D:-fracture
Correct Answer:- Option-B
Question40:-The frog of a brick is normally made on its
A:-bottom face
-top face
C:-longer face
D:-shorter face
Correct Answer:- Option-B
Question41:-The water supply schemes are generally designed for a design period of
A:-50 years
-30 years
C:-10 years
D:-5 years
Correct Answer:- Option-B
Question42:-An infiltration gallery is a
A:-tube well
-artesian well
C:-vertical well with arms
D:-horizontal well
Correct Answer:- Option-D
Question43:-Socket and spigot joint is used
A:-C.l. pipes
B:-Concrete pipes
C:-A.C. pipes
D:-G.l. pipes
Correct Answer:- Option-A
Question44:-The permissible turbidity in mg/l for potable water is
A:-30-40
B:-20-30
C:-10-15
D:-5-10
Correct Answer:- Option-D
Question45:-Alum is used for
A:-disinfection
B:-removal of odour and taste
C:-removal of hardness
D:-coagulation
Correct Answer:- Option-D
Question46:-Odour and taste is controlled by
A:-disinfection
B:-coagulation
C:-aeration
D:-soda-lime process
Correct Answer:- Option-C
Question47:-Pressure filters are used for
A:-urban water supply
B:-rural water supply
C:-swimming pools
D:-ground water
Correct Answer:- Option-C
Question48:-Valves which allows water in one direction only is known as