Fluid Mechanics

This is an MCQ-based quiz on the topic of the Fluid Mechanics.

This includes Properties of Fluid, Fluid Pressure and its measurements, Hydrostatics, Orifices, notches & weirs, Impact of jets, and many more.

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Which among the following is the standard symbol for Archimedes number?

Ar A a AR

Which among the following is referred to as the temperature at a stagnation point in the flow of fluids in fluid mechanics and thermodynamics.

Absolute temperature Maximum temperature Stagnation temperature Hydraulic temperature

What is model testing?

Overall testing Function testing Partial testing Performance testing

Principle of fluid mechanics works on the utilization of________

Velocity Accelerating mass Volume Work

Open channel flow takes place _______

In a pump Within a cylindrical depth On a free surface In the pipe

Which of the following is a type of fluid based on viscosity?

Real Fluid Ideal Fluid Newtonian Fluid All of the mentioned

Pressure intensity or force due to pressure gradient for fluid at rest is considered as which of the following kind of force?

Body force Force due to motion Surface force None of the mentioned

The tangential velocity of the water element having a free vortex is

Directly proportional to its distance from the centre Inversely proportional to its distance from the centre Directly proportional to its (distance)^2 from the centre Inversely proportional to its (distance)^2 from the centre

According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to

The weight of the body More than the weight of the body Less than the weight of the body Weight of the fluid displaced by the body

A hydraulic ram is a device used to

Store the energy of water Increase the pressure of water To lift water from deep wells To lift small quantity of water to a greater height when a large quantity of water is available at a smaller height

The Cipoletti weir is a __________ weir.

Rectangular Triangular Trapezoidal Circular

A flow in which the quantity of liquid flowing per second is constant, is called __________ flow.

Steady Streamline Turbulent Unsteady

A piezometer opening in pipes measures

Velocity head Total pressure Static pressure None of the above

Hydrostatic pressure on a dam depends upon its

Depth Shape Length Both Depth & Shape

The flow takes ............... in one dimensional flow.

Place in curve Place in straight line Place in one direction None of the above

The pressure less than atmospheric pressure is known as .........

Suction pressure Vacuum pressure Negative gauge pressure All of the above