The unit of bulk modulus of elasticity for a liquid in S.I. unit is____________________?
The unit of bulk modulus of elasticity for a liquid in S.I. unit is____________________?
A. N
B. N/m
C. N/m2
D. N/m3
Fluid Mechanics for Chemical
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For flow past a flat plate, if „x‟ is the distance along the plate in the direction of flow, the boundary layer thickness is proportional to________________?
For flow past a flat plate, if „x‟ is the distance along the plate in the direction of flow, the boundary layer thickness is proportional to________________?A. √x
B. 1/√x
C. x
D. 1/x -
Path followed by water jet issuing from the bottom of a water tank will be a__________________?
Path followed by water jet issuing from the bottom of a water tank will be a__________________?A. Parabola (vertex being at the opening)
B. Hyperbola
C. Horizontal straight line
D. Zig-zag path (which is geometrically undefined) -
Location of vena-contracta in an orificemeter does not depend upon the________________?
Location of vena-contracta in an orificemeter does not depend upon the________________?A. Type of orifice
B. Density, viscosity & compressibility of the fluid
C. Ratio of pipe diameter to orifice diameter
D. Pipe roughness -
The maximum head that can be developed by a single impeller is _____________ ft?
The maximum head that can be developed by a single impeller is _____________ ft?A. 25
B. 100
C. 250-300
D. 1000 -
In case of Venturimeter, friction losses are about _____________ percent of maximum velocity head?
In case of Venturimeter, friction losses are about _____________ percent of maximum velocity head?A. 2
B. 8
C. 12
D. 20 -
Drag co-efficient in hindered settling is _____________ that in free settling?
Drag co-efficient in hindered settling is _____________ that in free settling?A. Less than
B. Equal to
C. Not necessarily greater than
D. Always greater than -
Working of a _______________ pump characterises mixed flow?
Working of a _______________ pump characterises mixed flow?A. Turbine
B. Piston
C. Diaphragm
D. None of these -
Which of the following options will facilitate the achievement of a very high head (say 30 metres) in case of a centrifugal pump ?
Which of the following options will facilitate the achievement of a very high head (say 30 metres) in case of a centrifugal pump ?A. Increasing the impeller speed and the volute area
B. Increasing the number of vanes in the impeller
C. Mounting of two or more impellers in series on a single shaft
D. Either of A., B. or C. -
If in a flow field, between any two points, then the flow must be___________________?
If in a flow field, between any two points, then the flow must be___________________?A. Steady, incompressible, irrotational
B. Steady, compressible, irrotational
C. Steady, compressible and along a streamline
D. Unsteady, incompressible, irrotational