Ratio of inertial forces to surface tension forces is called the _____________ number?
A. Euler
B. Froude
C. Mach
D. Weber
Fluid Mechanics for Chemical
Normal depth in open channel flow is the depth of flow in the channel ____________________?
Normal depth in open channel flow is the depth of flow in the channel ____________________?
A. Corresponding to uniform flow
B. Measured normal to the channel bed
C. Corresponding to steady flow
D. None of these
Boundary layer thickness in laminar flow over a flat plate increases as(where, d = distance from the leading edge.) ?
Boundary layer thickness in laminar flow over a flat plate increases as(where, d = distance from the leading edge.) ?
A. √d
B. d1/3
C. d2
D. d2/3
____________ flow means the flow of incompressible fluid with no shear ?
____________ flow means the flow of incompressible fluid with no shear ?
A. Potential
B. Streamline
C. Creep
D. Boundary layer
Centrifugal pump can’t be used to pump _____________________?
Centrifugal pump can’t be used to pump _____________________?
A. Molten sodium (used as a coolant in Fast Breeder Reactor)
B. Moderately viscous vegetable oil used in soap industry
C. Thick molten soap at 80°C
D. None of the above
A weir is used to measure the large water discharge rate from a river or from an open channel. A weir is not of _______________ shape?
A weir is used to measure the large water discharge rate from a river or from an open channel. A weir is not of _______________ shape?
A. Circular
B. Rectangular
C. Triangular
D. Trapezoidal
An ideal fluid is___________________?
An ideal fluid is___________________?
A. Frictionless & incompressible
B. One, which obeys Newton’s law of viscosity
C. Highly viscous
D. None of these
______________ is an example of axial flow impeller?
______________ is an example of axial flow impeller?
A. Paddle
B. Turbine
C. Propeller
D. All A., B. and C.
The distance between metacentre and ______________ is called metacentric height?
The distance between metacentre and ______________ is called metacentric height?
A. Water surface
B. Centre of gravity
C. Centre of buoyancy
D. None of these
Enamels and paints are generally _______________ fluid?
Enamels and paints are generally _______________ fluid?
A. Rheopectic
B. Pseudo-plastic
C. Thixotropic
D. Dilatant