A. Angular velocity
B. Specific weight
C. Kinematic viscosity
D. None of these
Related Mcqs:
- Which of the following is dimensionless ?
A. Angular velocity
B. Fanning friction factor
C. Specific volume
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 is not a dimension-less parameter ?
A. Pressure-co-efficient
B. Froude number
C. Kinematic viscosity
D. Weber number - 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 conditions must be satisfied for lift force to be developed ?
A. The body should be bluff body
B. The body should be stream lined
C. Circulation around the body is essentially required
D. The main stream velocity must approach the velocity of sound in that fluid medium - 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 - 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 - Which of the following is not dimension-less ?
A. Froude number
B. Kinematic viscosity
C. Pressure co-efficient
D. None of these - Which of the following produces maximum pressure difference for transportation of gases ?
A. Vacuum pumps
B. Blowers
C. Fans
D. Compressors
