15:

16.

17.

18.

19.

20.

21.

22:

The continuity equation is derived based on fundamental principle വ്‌:
(ಗಿ) Law of conservation of energy
(B) Law of conservation of momentum
(C) Law of conservation of mass
(D) All of the above

For a Newtonian fluid :
(A) Shear stress is proportional to acceleration
(B) Rate of shear stress is proportional to shear strain
(C) Shear stress is proportional to density
(D) Shear stress is proportional to rate of shear strain

A venturimeter is used to measure :

(ക Density (B) Pressure

(C) Discharge (D) None of the above
The SI unit of kinematic viscosity is :

(ಯ) ௩3௪ (B) kg/m

لد )1( 8 0(

A static fluid can have :
(ಯ) Positive normal and shear stress
(B) Negative normal stress and Negative shear stress
(C) Zero normal stress and zero shear stress
(D) Positive normal stress and zero shear stress

For a laminar flow through a circular pipe, Reynolds number will be :
ക്ര More than 5000 (B) More than 4500
(0) Less than 2000 (D) None of the above

Two diffuse gray parallel plates, separated by distance, have surface temperatures of 127°C
and 27°C. If the emissivity of the surface are 0.8 and the Stefan-Boltzmann constant is
5.67 100 W/m*K¢, the net radiation heat exchanges rate in W/m? between the two plates is :
ക്ര 0.6 (೫) 66.1
(C) 661 (D) 6600

In a condenser of a power plant, the steam condenses at temperatures of 50°C. The cooling
water enters at 20°C and leaves at 35°C. The logarithmic mean temperature difference
(LMTD) of the condenser is :

(^) 11.6°C (ए) 26.6°C

(© 010 (D) 21.60

5 ⋅ 004/2016
[P.T.0]