16.

1T

18.

19.

20.

21.

22.

Which of the following is true when the rake angle of a cutting edge increases?
(മ) Tool strength reduces and chip flow resistance increases
(ए) Tool strength increases and smooth chip flow
(0) Tool strength reduces and chip flow resistance reduces

(D) Tool strength increases and chip flow resistance increases

Speed of air craft can be measured by
(ಗಿ) Tachometer (B) Pressure gauge
(C) Pitot tube (D) Ultrasonic flow meter

Which of the following senses the elastic deformation of a hollow tube with elliptical eross
section and bent in the form of an are during the pressure measurement ۶

(ക Piezometer tube
(8) Bourdon's tube pressure gauge
(C) U-tube manometer

(D) Differential manometer

Unit of specific weight in S.1. system is :
(ക) व (B) - kg/m*
(ത 1 ജ്‌ . (D) 11%

Cavitation in centrifugal pump results in :
(A) Damage of impellor due to pitting (8) 18/1881 possible efficiency
(C) Increasing fluid temperature (D) Increasing fluid pressure

Head loss in meters of fluid column, due 10 fluid friction, during a flow through a pipe under
pressure, can be found by :

(മ) mre® {not go be printed @—is Greek letter ‘omega’}
(ए) ped (notgobe printed p—is Greek letter ‘rho’}

(ठ ய்‌
(0). 4/0/2೩40)

A multi stage centrifugal pump can be practically employed to suck water from a maximum
depth of approximately :

(ಯ) 88 (8) ೨08

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5 78/2014
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