Category: Fluid Mechanics

A. the length of pipe
B. the viscosity of fluid
C. the bulk modulus for the fluid
D. the original head

A. head loss and discharge are same in two systems
B. length of pipe and discharge are same in two systems
C. friction factor and length are same in two systems
D. length and diameter are same in two systems

1. steady flow
2. unsteady flow
3. uniform flow
4. non-uniform flow
The correct answer is?

A. (1) and (3)
B. (2) and (3)
C. (1) and (4)
D. (2) and (4)

A. 16/Re
B. 32/ Re
C. 64/ Re
D. none of the above where R,, is Reynolds number

A. decreases with increase in temperature
B. increases with increase in temperature
C. is independent of temperature
D. is independent of pressure for very high pressure intensities

A. highest intensity of pressure occurs around the circumference at right angles to flow
B. lowest pressure intensity occurs at front stagnation point
C. lowest pressure intensity occurs at rear stagnation point
D. total drag is zero

A. sudden enlargement
B. sudden contraction
C. gradual contraction or enlargement
D. friction

A. x”7
B. x,/2
C. x4/5
D. x3/5

where x is the distance from leading edge

A. 0.423 D
B. 0.577 D
C. 0.223 D
D. 0.707 D

where D is the depth of flow

A. free vortex motion
B. forced vortex motion
C. free vortex at center and forced vortex outside
D. forced vortex at center and free vortex outside