A. Fluid-particle interaction
B. Fluid flow through helical pipes
C. Power consumption in agitated vessels
D. Psychrometry
Related Mcqs:
- Newton’s law of viscosity relates the____________________?
A. Shear stress and velocity
B. Velocity gradient and pressure intensity
C. Shear stress and rate of angular deformation in a fluid
D. Pressure gradient and rate of angular deformation - In the complete turbulence zone (in rough pipes), the____________________?
A. Rough and smooth pipes have the same friction factor
B. Laminar film covers the roughness projections
C. Friction factor depends upon NRe only
D. Friction factor is independent of the relative roughness - In case of a pipe exit fitted with a nozzle, the____________________?
A. Conversion of kinetic head to pressure head is facilitated
B. Conversion of pressure head to kinetic head is facilitated
C. Power transmitted through the nozzle is maximum, when the head lost due to friction in the
pipe is equal to one third of the total supply head
D. Both B. and C. - The line of action of the buoyant force acts through the____________________?
A. Centroid of the displaced volume of fluid
B. Centre of gravity of a submerged body
C. Centroid of the volume of any floating body
D. None of these - The head developed by a centrifugal pump is largely determined by the____________________?
A. Power of the pump
B. Nature of the liquid being pumped
C. Angle of the vanes and the speed of the tip of the impeller
D. Vapour pressure of the liquid - Water hammer in a pipeline results from the____________________?
A. Bursting of pipelines due to closure by a valve
B. Rapid pressure change due to a rapid change in the rate of flow
C. Pressure increase due to closure of a valve resulting in decrease in rate of flow
D. None of these - In fluid flow, cavitation is caused, if the____________________?
A. Fluid velocity decreases to zero
B. Total energy decreases
C. Both A. and B.
D. Flow pressure approaches its vapor pressure at the prevailing temperature - Drag force acting on a body does not depend upon the____________________?
A. Density of the fluid
B. Density of the body
C. Velocity of the body
D. Projected area of the body - With diminishing cross-sectional area in case of subsonic flow in a converging nozzle, the____________________?
A. Velocity increases
B. Pressure decreases
C. Both A. & B.
D. Neither A. nor B. - Boundary layer separation occurs when the____________________?
A. Pressure reaches a minimum
B. Cross-section of the channel is reduced
C. Valve is closed in a pipeline
D. Velocity of sound is reached
