Assuming flow to be laminar, if the diameter of the pipe is halved, then the pressure drop will_______________?
A. Increase
B. Decrease
C. Remain same
D. Be quadrupled
Fluid Mechanics for Chemical
Molten soap mass is transported by a ______________ pump?
Molten soap mass is transported by a ______________ pump?
A. Diaphragm
B. Reciprocating
C. Gear
D. Centrifugal
The exit cone angle in case of a standard Venturimeter is _____________ the entrance cone angle?
The exit cone angle in case of a standard Venturimeter is _____________ the entrance cone angle?
A. Smaller than
B. Greater than
C. Equal to
D. Either A. or B.
Pressure drag does not depend upon the_________________?
Pressure drag does not depend upon the_________________?
A. Roughness of surface of the body
B. Pressure of main flow only
C. Length of the body in flow direction
D. All A., B. and C.
With increase in pump speed, its NPSH requirement_________________?
With increase in pump speed, its NPSH requirement_________________?
A. Decreases
B. Increases
C. Remains unaltered
D. Can either increase or decrease; depends on other factors
The fluid in which the shearing stress within it is proportional to the velocity gradient across the sheared section, is called a _____________ fluid?
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. Newtonian
C. Perfect
D. None of these
Nominal size of a pipe is an indication of its ______________ diameter?
Nominal size of a pipe is an indication of its ______________ diameter?
A. Inner
B. Outer
C. Approximate
D. None of these
The velocity profile for turbulent flow through a closed conduit is_______________?
The velocity profile for turbulent flow through a closed conduit is_______________?
A. Logarithmic
B. Parabolic
C. Hyperbolic
D. Linear
Brownian movement is prominent in the particle size range of _____________ microns in case of settling of a particle in a fluid?
Brownian movement is prominent in the particle size range of _____________ microns in case of settling of a particle in a fluid?
A. 2 to 3
B. 0.01 to 0.10
C. 200 to 300
D. 100 to 1000
A fluid is the one, which___________________?
A fluid is the one, which___________________?
A. Cannot remain at rest under the action of shear force
B. Continuously expands till it fills any container
C. Is incompressible
D. Permanently resists distortion