Fluid Mechanics mcqs

What Is The Force Required (In Newtons) To Hold A Spherical Balloon Stationary In Water At A Depth Of H From The Air-Water Interface? The Balloon Is Of Radius 0.1 M And Is Filled With Air ?

What Is The Force Required (In Newtons) To Hold A Spherical Balloon Stationary In Water At A Depth Of H From The Air-Water Interface?

0.04 Πgh/3

0.01 Πgh/4

0.01 Πgh/8

4πg/3

Water Hammer Is Caused, When Water Flowing In A Pipe Is Suddenly Brought To Rest By Closing The Valve. The Extent Of Pressure Thus Produced Due To Water Hammer Depends On The-----------?

Water Hammer Is Caused, When Water Flowing In A Pipe Is Suddenly Brought To Rest By Closing The Valve.

All A., And C.

Time Taken To Close The Valve

Pipe Length

Fluid Velocity In The Pipe

Venturimeters, Orificemeters And Nozzles Are Used To Measure The Fluid Discharge From A Pipeline. The Average Fluid Velocity In A Pipeline Can Be Measured By A/An--------?

Venturimeters, Orificemeters And Nozzles Are Used To Measure The Fluid Discharge From A Pipeline.

Cup And Vane Anemometer

Hot Wire Anemometer

Weir

None Of These

Velocity Of Liquid Hydrocarbon Fuels In A Pipeline Cannot Be Measured By Magnetic Flowmeters, Because Their ---------- Is Very Low/Small?

Velocity Of Liquid Hydrocarbon Fuels In A Pipeline Cannot Be Measured By Magnetic Flowmeters, Because Their ---------- Is Very Low/Small?

Specific Gravity

Electrical Conductivity

Thermal Conductivity

Electrical Resistivity

10th-class-mcqs-all-subjects9th-class-mcqs-all-subjects11th-class-mcqs-past-papers12th-class-macqs-past-paperscss-islamiat-past-papers-mcqsnts-online-test-preparation