- (A) frictional force
- (B) viscosity
- (C) surface friction
- (D) all of the above
- (E) none of the above
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- (A) smooth and streamline flow
- (B) laminar flow
- (C) steady flow
- (D) turbulent flow
- (E) highly turbulent flow
- (A) 0.83
- (B) 0.6
- (C) 0.4
- (D) 0.3
- (E) none of the above
- (A) maximum
- (B) minimum
- (C) zero
- (D) non-zero and finite
- (E) unpredictable
- (A) wake
- (B) drag
- (C) lift
- (D) boundary layer
- (E) aerofoil section
- (A) crest
- (B) nappe
- (C) sill
- (D) weir top
- (E) contracta
- (A) the direction and magnitude of the velocity at all points are identical
- (B) the velocity of successive fluid paiticles, at any point, is the same at successive periods of time
- (C) the magnitude and direction of the velocity do not change from point to point in the fluid
- (D) the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each pleasure
- (E) velocity, depth, pressure, etc. change from point to point in the fluid flow
- (A) specific gravity of liquids
- (B) specific gravity of solids
- (C) specific gravity of gases
- (D) relative humidity
- (E) density
- (A) principle of conservation of mass holds
- (B) velocity and pressure are inversely proportional
- (C) total energy is constant throughout
- (D) the energy is constant along a stream-line but may vary across streamlines
- (E) none of the above
- (A) minimum
- (B) maximum
- (C) zero
- (D) negative value
- (E) could be any value
