The International Space Station has turned _________ old on November 20, 2018.

A. 22 years
B. 21 years
C. 19 years
D. 20 years

Stanton diagram is a______________?

A. Log-log plot of friction factor against reynolds number
B. Log-log plot of relative roughness against reynolds number
C. Semi-log plot of friction factor against reynolds number
D. Semi-log plot of friction factor against relative roughness

Ay between two stream lines represents________________?

A. Velocity
B. Discharge
C. Head
D. Pressure

The boundary layer thickness in turbulent flow varies as______________?

A. X”7
B. X,/2
C. X4/5
D. X3/5

The shear stress distribution for a fluid flowing in between the parallel plates, both at rest, is_______________?

A. Constant over the cross section
B. Parabolic distribution across the section
C. Zero at the mid plane and varies linearly with distance from mid plane
D. Zero at plates and increases linearly to midpoint

In a Sutro weir, the discharge is proportional to________________?

A. H1/2
B. H3/2
C. H5/2
D. H

Coefficient of contraction for an external cylindrical mouthpiece is_________________?

A. 1.00
B. 0.855
C. 0.7h
D. 0.611

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

Coefficient of velocity of venturimeter_________________?

A. Is independent of reynolds number
B. Decreases with higher reynolds number
C. Is equal to the coefficient of discharge of venturimeter
D. None of the above

The discharge through a V- notch varies as______________?

A. H1/2
B. H3’2
C. H5/2
D. H5’4 where h is head