Related Questions

If V, U and Vr represent the absolute velocity of fluid, velocity of blade, and relative velocity of fluid, and suffix ‘I’ and ‘o’ stand for entry and exit conditions, then in a rotary machine whose degree of reaction is unity
A Vi = Vo
B Vt > Vo
C U
D V = Uo
In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant?
A Rotational
B Unsteady
C Turbulent
D Non-uniform
The ratio of average fluid velocity to the maximum velocity in case of laminar flow of a Newtonion fluid in a circular pipe is
A 0.5
B 1
C 2
D 0.66
When the load on the engine increases, it becomes necessary to increase the supply of working fluid and when the load decreases, less working fluid is required. The supply of the working fluid to the engine is controlled by a
A D-slide valve
B governor
C Meyer’s expansion valve
D flywheel
If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be
A Higher than the surface of liquid
B The same as the surface of liquid
C Lower than the surface of liquid
D Unpredictable
A. there was the hope that in another existence a greater happiness would reward one B. previous existence and the effort to do better would be less difficult too, when C. it would be less difficult to bear the evils of one's own life, if D. One could think that they were but the necessary outcome of one's errors in a
A CDBA
B BADC
C BDCA
D CABD
Man's relationships give meaning to his existence. The word 'existence' can be replaced by―.
A attachment
B entity
C motivation
D inspiration
Man's relationships give meaning to his existence. The word 'existence' can be replaced by ______ .
A attachment
B entity
C motivation
D inspiration
The boundary layer is that part of a moving fluid, in which the fluid velocity is
A Affected by the fluid flow pressure
B Constant
C Affected by the presence of a solid boundary
D All of the above
The fluid in which the shearing stress within it is proportional to the velocity gradient across the sheared section, is called a __________ fluid.
A Bingham
B Newtonion
C Perfect
D None of these

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