A. Cavitation begins at higher static pressure and lower velocity in larger diameter pipelines

C. des</strong>

D. Cavitation may be caused due to boiling of liquid by decreasing the pressure resulting in

E. ulting in audible noise

F. mation & collapse of vapor cavities

B. Gear

C. Volute

D. Reciprocating

B. 21.13 kPa

C. 25.61 kPa

D. 14.86 kPa

B. ?(HW/?)

C. 2HW/(H + W)

D. HW/4 (H + W)2

A. ess and shear gradient

B. For a non-Newtonian fluid, a straight line passes through the origin in a plot between shear

C. Thin lubricating oil is an example of a non-Newtonian fluid

D. Human blood is a Newtonian fluid

A. Rotational

C. Turbulent

D. Non-viscous

B. Pressure decreases exponentially with elevation in an isothermal atmosphere

C. As per Pascals law, the pressure at a point in a static or uniformly moving fluid is equal in all

D. Atmospheric pressure = absolute pressure ? gage pressure

E. ections

A. The pressure of the liquid measured by a piezometer tube is the gauge pressure

B. Manometric liquid should have high surface tension

C. The vacuum pressure is always the negative gauge pressure

E. gravity</strong>

A. Depends on the roughness

B. Does not depend on Reynolds number

C. None of these

A. 13.6 H

B. H

C. 14.6 H

A. None of these

C. As square of

D. Directly as

A. Discharge of fluid through a Venturimeter depends upon the gage difference irrespective of

B. For frictionless flow, the fluid pressure entering the venturi meter will be exactly equal to that

C. Venturimeter incurs less power loss compared to an equivalent orificemeter

D. ving the Venturimeter

F. orientation of Venturimeter

B. ML-2T

C. MLT-2

D. ML-2

B. nward, than when the flow is vertically upward

C. The co-efficient of contraction of a Venturimeter is always unity

D. A Venturimeter with a fixed pressure drop discharges more, when the flow is vertically

E. For a fixed pressure drop, the discharge of a gas through a Venturimeter is greater, when

F. pressibility is taken into account, than when it is neglected

B. Directly as the velocity

C. Inversely as the square of the diameter

D. Inversely as the square of the velocity

A. Centrifugal

B. Piston

C. Jet ejector

A. pressibility is taken into account, than when it is neglected

B. A Venturimeter with a given gage difference discharges at a greater rate, when the flow is

C. tically downward through it, than when the flow is vertically upward

D. entation of the meter</strong>

E. h the same throat dia is used

F. For a given pressure difference, the discharge of gas is greater through a Venturimeter, when

B. In the equation, T. gc = k. (du/dy)n the value of n for pseudoplastic and Dilatant fluid are 1 respectively

C. The shear stress at the pipe (dia = D, length = L) wall in case of laminar flow of Newtonian fluids is (D/4L). ?p

D. Shear stress for Newtonian fluid is proportional to the rate of shear in the direction perpendicular to motion

A. None of these

C. Force per unit mass

D. Energy per unit mass

B. Static pressure

C. Velocity at the stagnation point

D. Dynamic pressure

A. Its capacity varies directly as the square of speed

B. Horsepower input varies as the square of speed

C. Head varies as the speed

A. Surface roughness and curvature (i.e. sharp corners)

B. Vibration

D. Pressure gradient and the compressibility of the flowing medium

B. ?x

C. 4x

D. 2x

B. Discharge and overall efficiency

C. Angle swept by the crank pin at any instant and the discharge

D. None of these

B. 1

C. 50

D. 30

A. Centrifugal

B. None of these

C. Mixed flow

A. First power

C. Inverse

D. Second power

A. Gate valve

B. Butterfly valve

D. Globe valve

B. Pseudo plastic

C. Dilatent

D. Newtonian

A. N/m

C. N/m3

D. N

A. Pressure

C. All A., B. and C.

D. Total energy

A. Q?N3 : H?N : P?N2

C. Q?N2 : H?N3 : P?N

D. Q?N : H?N3 : P?N2

A. Increase or decrease depending on the pipe material

C. Remain unchanged

D. Decrease

A. Also increases

C. Remain constant

D. Decreases

A. Dependent on fluid viscosity

B. Dependent on fluid density

D. Dependent on its cross-sectional area

A. Incompressible

B. Non-Newtonian

D. Ideal

A. Slurries of high solid concentration

B. Low head but high discharge

D. Highly viscous liquid

A. Specific gravity

B. Thermal conductivity

D. Electrical resistivity

B. 15

C. 1050

D. 155

A. The value of Mach number is always unity at the throat

B. Throughout the converging portion of the tube, the density increases in the downstream

D. None of these

E. ection

A. Uniform flow

B. Steady uniform flow

D. Flow in straight lines only

A. Momentum transfer in laminar flow results from velocity gradient

B. A fluid in equilibrium is not free from shear stress

C. The viscosity of a non-Newtonian fluid is a function of temperature only

A. 4f (L/D) (v2/2gc) ?

C. 16/NRe

D. (fL?/D) (v2/2gc)

A. Fluid contains dispersed solid particles

C. One way flow is required

D. Valve is required to be either fully open or fully closed

A. Produces only tangential current

B. Produces only radial current

D. Does not produce tangential current

A. None of these

B. Increased, as it rises to a higher altitude

C. Not dependent on the temperature of the atmosphere

A. Horizontal straight line

B. Hyperbola

C. Zig-zag path (which is geometrically undefined)

B. Friction factor increases linearly with time

C. Pipe becomes smoother with use

D. Absolute roughness decreases with time

A. Static

B. Total

C. Friction

A. Venturimeter

C. None of these

D. Flow nozzle