A. Angular velocity
B. Fanning friction factor
C. Specific volume
D. None of these
Related Mcqs:
- Which of the following is a dimensionless parameter ?
A. Angular velocity
B. Specific weight
C. Kinematic viscosity
D. None of these - Buckingham-π theorem states that in any physical problem including ‘n’ quantities having ‘m’ dimensions, the quantities can be arranged into _____________ independent dimensionless parameters?
A. m
B. n
C. n-m
D. n/m - Which of the following facilitates close control of flow of fluids ?
A. Gate valve
B. Globe valve
C. Butterfly valve
D. Check valve - A centrifugal pump has the following specifications: Power = 4 H.P.; Speed = 800 rpm Head = 8 metres Flow = 1000 litres/minutes. If its speed is halved, the new discharge will be __________ litres/minute ?
A. 500
B. 200
C. 1000
D. 750 - Which of the following must be followed by the flow of a fluid (real or ideal)? (I) Newton’s law of viscosity. (II) Newton’s second law of motion. (III) The continuity equation. (IV) Velocity of boundary layer must be zero relative to boundary. (V) Fluid cannot penetrate a boundary?
A. I, II, III
B. II, III, V
C. I, II, V
D. II, IV, V - A centrifugal pump has the following specifications: Power = 4 H.P.; Speed = 800 rpm Head = 8 metres Flow = 1000 litres/minutes. If its speed is halved, the power consumed now will be _____________ hp?
A. 0.5
B. 2
C. 4
D. 1 - For a particle settling in water at its terminal settling velocity, which of the following is true ?
A. Buoyancy = weight + drag
B. Weight = buoyancy + drag
C. Drag = buoyancy + weight
D. Drag = weight - Which of the following is not a dimension-less parameter ?
A. Euler number
B. Specific gravity
C. Fanning friction factor
D. None of these - Which of the following quantities are computed by using the hydraulic radius for noncircular ducts ?
A. Velocity and relative roughness
B. Head loss and velocity
C. Reynold number, relative roughness and head loss
D. Reynolds number and friction factor - Which of the following is not concerned with the fluid-particle interaction ?
A. Drag co-efficient
B. Froude number
C. Galileo number
D. Weber number
