11.

12,

13,

14,

15,

16,

17.

18.

19.

20.

The spherical shape of rain drops are due to .
(ಗಿ) surface tension (B) adhesion
(0 cohesion (D) viscosity

For maximum discharge the included angle of a triangular notch is

(ಯ) 30° (8) 455
യ 60 (D) 907
In a lathe, the power transmitted by the lead screw to the carriage is through
(മ) ജല (B) wom and gear
(ಲ) halfnut (D) rack and pinion
The unit of kinematic viscosity is .
(ಗ) stoke (8) poise
(€) pascal (D) faraday
For laminar flow; Reynolds number
(ಗ) ട്ട than 2000 (8) is less than 2000
(0) lies between 2000 and 3000 (D) lies between 3000 and 4000
Slow plastic deformation of metal under constant stress is known as
(ಯ) fatigue (B) pressure tunnel
(¢) ಯಂ (D) stiffness

The device used for mixing air and petrol before admitting into the engine cylinder is
(¢) super charger (B) carburettor
(C) induction manifold (D) throttle valve

In IC engines ,the reciprocating motion of the piston is converted into the rotary motion of the
crankshaft by

(¢) connecting rod (B) piston rod

(೮) crank (D) rocker arms
The work done in compressing air is maximum, when the compression is

(ಹ) isothermal (B) polytropic

(C) adiabatic (D) none of the above
‘When the pressure increases, the latent heat of steam .

(¢) remains same (B) decreases

(C) increases (D) none of the above

061/2018 4 A