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 'Mechanic Grade-II -State Farming Corporation of Kerala Ltd' And exam conducted in the year 2023. And Question paper code was '227/2023'. 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.
6. The sheet of water flowing through a notch is called :
(¢) Crest (B) Sill
(C) Nappe (D) Weir
7. Which of the following statements are correct for the frictional resistance for turbulent flow?
൫ Proportional to density of fluid
(ii) Inversely Proportional to area of surface in contact
(iii) Independent of pressure
(iv) Inversely proportional to square of velocity
(ಯ) Only (i) and (ii) (B) Only (i) and (iii)
(C) Only Gi) and (iv) ൯) All the above (i), (ii), (iii) and (iv)
8. The coefficient of bend ‘k’ depends on :
டு Angle of bend
Gi) Radius of curvature of bend
(iii) Diameter of pipe
(iv) Length of bend
(A) All the above (i), (ii), (iii) and (iv) ൯ Only (ii), 61) and (iv)
(C) Only (i), (ii) and (iii) (D) Only (i), (ii) and (iv)
9. The pressure rise due to water hammer in pipes depends on:
0) The length of the pipe
(i) Velocity of flow of water in pipe
(ii) Time taken to close the valve
(iv) Elastic property of the material of the pipe
(A) Only (i), (ii) and (iii) (B) Only (i), (iii) and (iv)
(C) Only (i), (iii) and (iv) (D) All the above (i), (ii), (iii) and (iv)
227/2028 4 A