Fluid Mechanics MCQs

Constant along a streamline

Not constant along a streamline

Increased in the direction of flow

None of these

Flow nozzle

Venturimeter

Rotameter

Orificemeter

As square of

Directly as

As cube of

None of these

Type of orifice

Density, viscosity & compressibility of the fluid

Ratio of pipe diameter to orifice diameter

Pipe roughness

Increases

Decreases

Remains same

May increase or decrease

Gm/cm². sec

Gm/cm. sec

Cm²/sec

M²/sec

Require less space

Have quieter operation

Have lower operating costs

All of the above

Less power than

More power than

Same power as

Data insufficient to predict

Back flow of fluid in the event of stoppage of pump

Discharge pressure

Flow of liquid during operation of the pump

All of the above

Intimate contact of the fluid with all parts of the solid particles

Lower fluid pumping power requirement

Minimisation of temperature variation

Prevention of particle seggregation