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Computational fluid dynamics Gate & PSU MCQ Questions With Answers...
1.
The study of properties of fluids in motion is called
Fluids Study
Fluids statics
Fluids dynamics
None
2.
The equation is called
Continuity equation
Bernoulli's equation
Venturi relation
Stoke's law
3.
Which of the following is an important property in determining how a fluid moves:
Density
Temperature
Pressure
All of these are important
4.
Pitot tube measures
atmospheric pressure
Pressure in a car tyre
velocity of flow
piezometric pressure
5.
Concepts under Fluid Dynamics
Bernoulli's Principle
Equation of Continuity
Pressure, Temperature & Composition
Both A & B
6.
According to equation of continuity, A1V1 = A2V2 = constant. The constant is equal to:
Flow rate
Volume of fluid
Mass of fluid
Density of fluid
7.
Venturi meter is a device used to measure:
Pressure of the fluid
Viscosity of the fluid
Velocity of the fluid
Density of the fluid
8.
It states that, "in the case of steady flow, the amount of fluid flowing past one point must be the same as the amount of fluid flowing past another point, or the mass flow rate is constant."
Pascal's Principle
Buoyancy and Archimedes' Principle
Equation of Continuity
Bernoulli's Principle
9.
BONUS ROUNDIt is the sub-part of Fluid Mechanics that studies the flow of Fluid
Fluid Dymanics
Fluid Dinanics
Fluid Dimamics
Fluid Dynamics
10.
This equation requires that there shouldn't be same amount of fluid from point to point or have constant mass flow rate.
TRUE
FALSE
Undermined
All of above
11.
It states that, "as the speed of a fluid increases, there is a simultaneous decrease in the pressure of a fluid and a decrease in it's potential energy.
Pascal's Principle
Buoyancy and Archimedes' Principle
Bernoulli's Principle
Equation of Continuity
12.
What is TRUE about Fluid Dynamics?
It describes the flow of fluids and forces that affects the fluid.
It studies aerodynamics and hydrodynamics
It shares part with the discussion of Fluid Mechanics
All of above
13.
If the discharge is constant, what type of flow does it has?
Compressible
Laminar
Steady
Uniform
14.
Fluid dynamics is best described as:
the study of water in motion
the study of liquids and gases in motion
the study of gases in motion
the study of air in motion
15.
Potential energy is stored energy, while kinetic energy is energy of:
position
motion
height
shape
16.
In equation of continuity, the units of Av is given as:
Cubic meter
Cubic meter per second
Square meter per second
Square meter per square second
17.
Bernoulli’s equation is obtained by applying law of conservation of.
Mass
Energy
Momentum
Force
18.
A flow that travels along and collides, resulting to change in flow direction.
Laminar Flow
Laminent Flow
Turculent Flow
Turbulent Flow
19.
Both Laminar flow and Turbulent flow occur inside or outside an object.
TRUE
SOMEWHAT TRUE
FALSE
SOMEWHAT FALSE
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