A. 7
B. 700
C. 7000
D. 630
A. Deliver liquid at uniform pressure
B. Can handle slurries more efficiently
C. Are not subject to air binding
D. Can be operated with delivery valve closed
A. Boundary friction
B. Flow contraction
C. Expansion of flow after sudden contraction
D. None of these
A. 0.61 – 0.63
B. 0.5 – 0.75
C. 0.75 – 0.90
D. 0.35 – 0.55
A. Mechanical energy balance in potential flow
B. Kinetic energy balance in laminar flow
C. Mechanical energy balance in turbulent flow
D. Mechanical energy balance in boundary layer
A. Shear stress over the cross-section is proportional to the distance from the surface of the pipe
B. Surface of velocity distribution is a paraboloid of revolution, whose volume equals half the
volume of circumscribing cylinder
C. Velocity profile varies hyperbolically and the shear stress remains constant over the crosssection
D. Average flow occurs at a radial distance of 0.5 r from the centre of the pipe (r = pipe radius)
A. Reduce swirling and vortex formation
B. Increase the structural strength of the tank
C. Aid in rotational flow
D. None of these
A. Venturimeter
B. Orificemeter
C. Weir
D. Rotameter
A. Venturimeter
B. Pressure gauge
C. Pitot tube
D. Orificemeter
A. Adiabatic constant
B. Mach number
C. Weber number
D. Prandtl number