# Fluid dynamics

## Quiz by Sharmilaa K PSGRKCW

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10 questions
• Q1
What is the term used to describe the resistance of a fluid to flow?
Viscosity
Density
Pressure
Surface Tension
30s
• Q2
What is the equation that represents the conservation of mass in fluid dynamics?
Continuity equation
Bernoulli's equation
Euler's equation
Navier-Stokes equation
30s
• Q3
What is the term used to describe the force per unit area exerted by a fluid?
Pressure
Density
Viscosity
Surface Tension
30s
• Q4
What is the term used to describe the force per unit area exerted by a fluid at rest?
Dynamic pressure
Lift force
Drag force
Static pressure
30s
• Q5
What is the relationship between pressure and velocity in fluid flow?
Proportional
Inverse
Direct
Exponential
30s
• Q6

Which of thefollowing equations is a result of momentum conservation for inviscid steadyflows?

First law of thermodynamics

Bernoulli’s  equation

Navier-Stokes equation

Euler's equation

30s
• Q7

Law of conservation of energy is based upon

Both a and b

Bernoulli’s theorem

Stoke’s  law

Carnot’s theorem

30s
• Q8

Can the flow inside anozzle be steady and uniform?

yes

it can be uniform but never steady

never

it can be steady but never uniform

30s
• Q9

What type of flow canbe taken for granted in a pipe of a uniform cross-section?

non uniform

uniform

30s
• Q10

What causes the turbulence in fluid flow?

Kinetic energy

Pressure

Force

Potential energy

30s

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