Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'OPERATOR WATER AUTHORITY' And exam conducted in the year 2015. And Question paper code was '119/2015'. 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.
| The formation of air pockets inside the torque _ due to low pressure is known as ;
(A) Air bleeding (B) Cavitation
)0 Free wheeling (D) None of the above
26. Which among the following factor which does not affect engine compression ratio?
^) Thickness of cylinder head gasket (B) Carburettor flooding
- . i
(C) Baffles on piston (D) Particulate deposits inside cylinder
27. The process commonly used for the manufacturing of cylinder liners is : -
(ക) forging (B) centrifugal casting
(C) plaster mould casting (2) moulding
28. The material used for piston ring is :
(ಗಿ) Cast Iron with Silicon (8) Forged steel
(C) Stainless steel (D) Alluminium alloy
29. The component which transmit reciprocating motion of valve lifter to rocker arm :
(ಗಿ) valve guide (B) tappet
(0 pushrod (2) rocker shaft
80. Valve lapping is the process of grinding :
(A) بل seat and margin (B) valve seat and stem
(C) wvalve seat and guide ⊾ (D) valve seat and face
31. The warpage of machined faces of cylinder block and cylinder head can be checked with :
(ಹ) Dial guage (B) Telescopic guage
(0 Straight edge (D) Trammel
32. The test for finding the chemical conditions of the positive and negative battery plates is :
(ക) Open volt test (B) High discharge test
(C) Specific gravity test (D) Cadmium test
88. The leaf springs are connected to axle beam by means of : _
(A)U»bolt (B) Shackle
(C) Centre bolt (D) Shackle pin
119/2015 6 ! A
