- (A) Fluid to that of the light
- (B) Light to that of the fluid
- (C) Fluid to that of the sound
- (D) Sound to that of the fluid
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- (A) Specific gravity & temperature of the liquid
- (B) Leakage & pressure decreasing at higher elevations
- (C) Frictional resistance through pipes, fittings & passages
- (D) All
- (A) Axial flow
- (B) Centrifugal
- (C) Mixed flow
- (D) None of these
- (A) Reduce discharge fluctuation
- (B) Reduce the danger of cavitation
- (C) Avoid the necessity of priming
- (D) Increase the pump efficiency
- (A) Provides back pressure for a cylinder
- (B) Unloads a pump
- (C) Is a directional control valve
- (D) None of these
- (A) N2D3
- (B) ND2
- (C) N2D
- (D) N3D5
- (A) Bingham plastic
- (B) Pseudo-plastic
- (C) Newtonian liquid
- (D) Dilatent
- (A) V1.8
- (B) V-0.8
- (C) V
- (D) V-1
- (A) The length of entrance region of pipe, in which full development of fluid flow takes place such that velocity profile does not change downstream, is called the transition length
- (B) Transition length for laminar flow of Newtonian fluids in a pipe of diameter ‘d’ is equal to 0.05. D.NRe
- (C) Transition length for turbulent flow of Newtonian fluids in a smooth pipe of diameter ‘d’ is equal to 50 D
- (D) All
- (A) Archimedes principle
- (B) Newton’s second law of motion
- (C) Hooke’s law
- (D) Newton’s third law of motion

