A. Type of orifice & the Reynolds number

B. Ratio of pipe diameter to orifice diameter

D. Pipe diameter

A. V1 < V2 < V3

C. None of these

D. V1 > V2 > V3

A. At high pressure

B. In bends

C. For controlling water flow

A. ?(2gh)

B. Cd ?(2gh)

D. Cc ?(2gh)

A. Can handle slurries more efficiently

C. Can be operated with delivery valve closed

D. Deliver liquid at uniform pressure

A. None of these

C. Cd = Cc/Cv

D. Cd = Cv/ Cc

A. Inclined tube mercury

B. U-tube water

D. U-tube mercury

A. Vacuum as well as the atmospheric

B. Absolute

D. Gage

B. Speed of the impeller

C. Diameter of the impeller

D. Both B. and C.

B. Re << 1, decelerating flow

C. Re <> 1, accelerating flow

A. Increases

C. May increase or decrease; depends on the liquid

D. Remain constant

A. Motion

B. Pressure & temperature

C. Shearing stress

A. 0.03

C. 0.9

D. 0.66

A. 1

C. 0.66

D. 2

A. Uniform

C. Laminar

D. Steady</strong>

B. 0.2 to 0.3

C. 0.02 to 0.03

D. 0.93 to 0.98

B. Very low speeds

C. Smaller discharge

D. High vibrations

A. Power developed

C. Work done

D. Force exerted

A. Mechanical

C. Overall

D. Volumetric

B. High density

C. Low compressibility

D. Low capillary action

A. Non-viscous

B. Incompressible

C. Both A. and B.

A. Length & discharge

B. Length & diameter

C. Friction factor & diameter

A. 4

B. 2.828

C. 2

A. In the zone of complete turbulence

B. When the friction factor is independent of the Reynolds number

C. Everywhere in the transition zone

A. Is not a function of Reynolds number

B. None of these

C. Is zero irrespective of the Reynolds number

A. Minimising wall friction

B. Suppressing boundary layer separation

D. Neither A. nor B.

A. 0.5

B. 0.84

D. 1.25

B. 1000 S/P

C. 100 P/S

D. 10000 P/S

B. Horizontal projection of the body

C. Volume of fluid vertically above the body

D. Submerged body

A. Directly as square root of gas density

B. Directly as square of gas density

C. Inversely as gas density

A. Viscous forces

B. Pressure forces

D. Gravity forces

B. Size of pipe

C. Velocity of fluid

D. Length of pipe and number of bends

A. d2/3

B. d1/3

C. ?d

B. Fluid velocity in the pipe

C. Pipe length

D. Time taken to close the valve

A. 5.5

B. Oct-55

C. Jan-55

A. Either opened or closed; depending on the fluid viscosity

B. Either opened or closed; it does not make any difference

C. Opened

A. Viscosity

C. Height of descend

D. Pressure

A. Centrifugal

C. Plunger

D. Diffuser

B. Efficiency, head and B.H.P.

C. B.H.P., efficiency and head

D. Efficiency, B.H.P. and head

A. Hot

B. Static

D. Cold

A. None of these

B. Valve is closed in the line

C. Restriction in flow cross-section area occurs

B. ?/?t = constant

C. ?/?s = 0

D. ?/?s = constant

A. Delivers unit discharge at unit power

C. None of these

D. Requires unit power for unit head

A. For non-symmetrical bodies is not vertical

B. Depends on the depth of the submergence of the floating body

D. None of these

B. All A., B. & C.

C. Absolute roughness

D. Relative roughness

A. Steady uniform

C. Unsteady non uniform

D. Unsteady uniform

A. 5 ?2 m/sec

B. 5 m/sec

D. 20 m/sec

B. Rate of falling of ram

C. Volume available in the cylinder

D. Flow rate through accumulator

B. 1.5

C. 1

D. 3

A. None of these

B. Develop effective pressure rise by the pump

C. Increase the mass flow rate of fluid