Q.1
Concepts under Fluid Dynamics
  • Bernoulli's Principle
  • Equation of Continuity
  • Pressure, Temperature & Composition
  • Both A & B
Q.2
_______________________ is an idea of fluid dynamics. It says that as speed of the fluid increases, pressure decreases. ... For a steady flow, the amount of fluid entering the pipe must equal the amount leaving the pipe, so the fluid speed in the thin part must increase.
  • Newton's First Law
  • Newton's Second Law
  • Newton's Third Law
  • Bernoulli's Principle
Q.3
Pitot tube measures
  • atmospheric pressure
  • Pressure in a car tyre
  • velocity of flow
  • piezometric pressure
Q.4
Blood has density equal to that of:
  • Mercury
  • Honey
  • water
  • glycerin
Q.5
One Torr is expressed in π‘π‘šβˆ’2 as:
  • 133.3 π‘π‘šβˆ’2
  • 13.33 π‘π‘šβˆ’2
  • 1.333 π‘π‘šβˆ’2
  • 1333 π‘π‘šβˆ’2
Q.6
If cross-sectional area of pipe decreases, the speed of fluid must increase according to:
  • Continuity equation
  • Bernoulli's equation
  • Torricelli's theorem
  • Venture relation
Q.7
Speed of efflux can be determined by applying:
  • Bernoulli's Equation
  • Continuity Equation
  • Torricelli's Theorem
  • Newton's law of motion
Q.8
A man standing near a fast moving train may fall.
  • Away from the train
  • Towards the train
  • On the same place
  • In the direction of train
Q.9
If radius of droplet becomes half then its terminal velocity will be:
  • Four times
  • Half
  • Double
  • One forth
Q.10
As the water falls from tap, its speed increases and cross sectional area:
  • Decreases
  • Increases
  • become zero
  • becomes Constant
Q.11
When the body reaches its terminal velocity, the acceleration of the body becomes
  • Zero
  • Minimum
  • Maximum
  • Half of the initial
Q.12
The maximum constant velocity of an object falling vertically downward is called:
  • Final velocity
  • Terminal velocity
  • Instantaneous velocity
  • Average velocity
Q.13
When weight of an object falling freely becomes equal to the drag force, then the body will move with:
  • Increasing speed
  • Decreasing speed
  • Constant speed
  • Constant acceleration
Q.14
An object moving through a fluid experience a retarding force called:
  • Drag force
  • Gravitational force
  • Terminating force
  • Frictional force
Q.15
The equation 𝐹 = 6πœ‹πœ‚π‘Ÿπ‘£ is called:
  • Newton’s law
  • Stoke’s law
  • Ohm’s law
  • Lenz’s law
Q.16
The dimensions of coefficient of viscosity is:
  • ML1T-2
  • M2L1T1
  • ML-1T-1
  • ML-1T-2
Q.17
In fluid dynamics, which of the following fundamental expressions links pressure to the fluid's speed and height?
  • Pascal's law.
  • Stokes' law.
  • Archimedes' principle.
  • Bernoulli's equation
Q.18
BONUS ROUNDIt is the branch of science that covers the behavior of fluids in a state of motion or rest.
  • Fluid Dynanics
  • Fluid Dynamics
  • Fluid Mechanics
  • Fluid Mechmics
Q.19
BONUS ROUNDIt is the sub-part of Fluid Mechanics that studies the flow of Fluid
  • Fluid Dymanics
  • Fluid Dinanics
  • Fluid Dimamics
  • Fluid Dynamics
Q.20
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
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