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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Planning Surveyor Gr II/ Overseer Gr III/ Draftsman Gr III-KSLB/ LSGD' And exam conducted in the year 21. And Question paper code was '109/21'. 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.
78. Which of the following statement is true, in the case of ‘fern leaf catchment area’?
(A) _ It gives greater run off
(B) Time of flow is smaller and same
(C) Time of concentration is more
(D) Discharge is distributed over a short period
79. When ‘groynes’ are pointed towards upstream side of the river, it is called?
(4) Attractive groynes ®) Repelling groynes
(೮) Deflecting groynes ൯൬) Tee-groynes
80. The number of blades provided in a Kaplan turbine runner is :
(A) 16 to 24 Nos. (8) 815012 Nos.
(0 4to8 Nos. () 210 6 Nos.
81. Which of the following, works on the principle of water hammer?
(^) Hydraulic intensifier (B) Hydraulic crane
(C) Hydraulic lift (D) Hydraulic ram
82. The discharge of minor distributaries are usually :
(A) Less than 0.25 cumecs (B) Greater than 0.25 cumecs
(C) Less than 0.50 cumecs (D) Greater than 0.50 cumecs
83. The reason of forming the ‘viscosity’ of a liquid is :
(A) Surface tension of liquid
(B) Density of the liquid
(C) Cohesion and interaction between particles of liquid
(2) Capilarity of liquid
84. The intensity of pressure at any point in a fluid at rest is same in all directions. This
statement is associated with :
(A) Newton’s law ൯) Euler’s law
)0 Pascal’s law (1) Bernoulli’s law
85. Adam which consists of number of piers, and dividing the space into a number of spans 18 :
(^) Arch dams (B) Gravity dams
(C) Rock fill dams (D) Buttress dams
109/2021 12 A