A. H3/2
B. H1/2
C. H5/2
D. H2/3
Related Mcqs:
- A weir is used to measure the large water discharge rate from a river or from an open channel. A weir is not of _______________ shape?
A. Circular
B. Rectangular
C. Triangular
D. Trapezoidal - The discharge through a rectangular weir varies as ___________________?
A. H1/2
B. H5/2
C. H2/5
D. H3/2 - The discharge through a semi-circular weir varies as (where, H = Head of liquid.) ?
A. H
B. H2
C. H3/2
D. H1/2 - Co-efficient of discharge (Cd) is defined as actual discharge/theoretical discharge and is equal to Cc . Cv; where Cc = Co-efficient of contraction and Cv = co-efficient of velocity. Cd of an orifice is usually about__________________?
A. 0.42
B. 0.62
C. 0.82
D. 0.98 - If the head over the triangular notch is doubled, the discharge will increase by ______________ times?
A. 2
B. 2.828
C. 5.657
D. 4 - In laminar flow through a round tube, the discharge varies ______________________?
A. Linearly as the viscosity
B. Inversely as the pressure drop
C. Inversely as the viscosity
D. As the square of the radius - The percentage slip in a reciprocating pump set is given by the % of (where, Q1 = actual discharge Q2 = theoretical discharge) ?
A. Q1/Q2
B. Q2/Q1
C. (Q2 – Q1)/Q1
D. (Q2 – Q1)/Q2 - The ratio of actual discharge to theoretical discharge through an orifice is equal to______________?
A. Cc . Cv
B. Cc . Cd
C. Cv . Cd
D. Cd/Cv - For a fluid rotating at constant angular velocity about vertical axis as a rigid body, the pressure intensity varies as the___________________?
A. Square of the radial distance
B. Radial distance linearly
C. Inverse of the radial distance
D. Elevation along vertical direction - In Newton’s law range, the terminal velocity of a solid spherical particle falling through a stationary fluid mass varies as the ______________ of its diameter?
A. Inverse
B. Square root
C. Second power
D. First power
