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Computational Fluid Dynamics
Quiz 2
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Q.1
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
Q.2
A flow that travels along and collides, resulting to change in flow direction.
Laminar Flow
Laminent Flow
Turculent Flow
Turbulent Flow
Q.3
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
Q.4
Branch of applied science that describes the movement of liquid and gases.
Fluid Mechanics
Fluid Dynamics
Equation of Continuity
Bernoulli's Principle
Q.5
Both Laminar flow and Turbulent flow occur inside or outside an object.
TRUE
SOMEWHAT TRUE
FALSE
SOMEWHAT FALSE
Q.6
Turbulent flow is
Unsteady and regular
Steady and regular
Unsteady and irregular
Steady and regular
Q.7
If the discharge is constant, what type of flow does it has?
Compressible
Laminar
Steady
Uniform
Q.8
The rate at which fluid flows through a closed pipe can be determined by
Determining the mass flow rate
Determining the volume flow rate
Either (a) or (b)
All of above
Q.9
Bernoulli’s equation is obtained by applying law of conservation of.
Mass
Energy
Momentum
Force
Q.10
Velocity of fluid increases where the pressure is:
Low
High
Constant
zero
Q.11
Venturi meter is a device used to measure:
Pressure of the fluid
Viscosity of the fluid
Velocity of the fluid
Density of the fluid
Q.12
According to equation of continuity, A1V1 = A2V2 = constant. The constant is equal to:
Flow rate
Volume of fluid
Mass of fluid
Density of fluid
Q.13
The study of properties of fluids in motion is called
Fluids Study
Fluids statics
Fluids dynamics
None
Q.14
A school database has lots of information on students, the data manager needs to use abstraction. What data should she leave out?
Age
Guardian's phone numbers
Classes
Eye colour
Q.15
Which of the following is not done by abstraction?
Identifies essential details
Disregards non-essential information
Breaks the problem down into smaller tasks
All of above
Q.16
Which of the following is not done by decomposition?
Allows multiple people to work on the problem together
Disregards non-essential information
Breaks the problem down into smaller tasks
None of these
Q.17
When drawing a dog, which of the following characteristics is non-essential?
Dogs have 4 paws
Dogs have fur
Dogs have brown fur
All of above
Q.18
When designing a building that must be accessible for wheelchairs, which of the following characteristics is non-essential?
Number of doors
Number of walls
Number of wall paintings
None of these
Q.19
One advantage of abstraction is that it means no mistakes can be made
True
False
Q.20
You could use abstraction to replace specific objects with simple shapes
True
False
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