A. H/3
B. H/2
C. 2 H/5
D. 2 H/3
where H is the available head
Related Mcqs:
- Due to each end contraction, the discharge of rectangular sharp crested weir is reduced by________________?
A. 5%
B. 10%
C. 15%
D. 20% - In a Sutro weir, the discharge is proportional to________________?
A. H1/2
B. H3/2
C. H5/2
D. Hwhere H is head
- The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be_________________?
A. 0.423 D
B. 0.577 D
C. 0.223 D
D. 0.707 Dwhere D is the depth of flow
- The ratio of average velocity to maximum velocity for steady laminar flow in circular pipes is_______________?
A. 1/2
B. 2/3
C. 3/2
D. 2 - The discharge of a liquid of kinematic viscosity 4 cm2/sec through a 8 cm dia-meter pipe is 3200n cm7sec. The type of flow expected is__________________?
A. laminar flow
B. transition flow
C. turbulent flow
D. not predictable from the given data - For hydro-dynamically smooth boundary, the friction coefficient for turbulent flow is_______________?
A. constant
B. dependent only on Reynolds number
C. a function of Reynolds number and relative roughness
D. dependent on relative roughness only - A fluid of kinematic viscosity 0.4 cm2/sec flows through a 8 cm diameter pipe. The maximum velocity for laminar flow will be__________________?
A. less than 1 m/sec
B. 1 m/sec
C. 1.5 m/sec
D. 2 m/sec - The discharge through a V- notch varies as______________?
A. H1/2
B. H3’2
C. H5/2
D. H5’4 where H is head - Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is__________________?
A. slightly less
B. slightly more
C. nearly half
D. equal - Which of the following has highest coefficient of discharge ?
A. sharp edged orifice
B. venturimeter
C. Borda’s mouthpiece running full
D. CipoUetti weir
