ECAT Pre Engineering Physics Chapter 6 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics

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Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics

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Question # 1

The pressure will be low where the speed of the fluid is

Question # 2

The fluid is incompressible, if itsdensity is

Question # 3

Blood is an

Question # 4

The product of cross-sectional area of the pipe and the fluid speed at any pint along the pipe is

Question # 5

In Bernoulli's theorem the relation between velocity and pressure is

Question # 6

Internal friction of fluid is called

Question # 7

What is another name for laminar flow?

Question # 8

When the droplet moves with terminal velocity in a fluid, the net force acting on the droplet is:

Question # 9

Which of the following is a characteristic of an ideal fluid?

Question # 10

Pressure exerted by a gas on the walls of its container in due to

Question # 11

When each particle of the fluid moves along a smoth path, this path is known as

Question # 12

The application of Bernoulli's equation is

Question # 13

Which of the following options states the names of fluids in the order of increasing viscosity?

Question # 14

At the starting point of the free fall motion of an object, its acceleration will be

Question # 15

If the flow is incompressible and the flow is steady then the mass of the fluid through the pipe

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The blood pressure of a person
A. decrease with age
B. increase with age
C. has no effect with age
D. none of them
2 Where the streamlines are very far apart from each other, the pressure will be
A. low
B. zero
C. high
D. all of them
3 Internal friction of fluid is called
A. Surface tension
B. Viscosity
C. Resistance
D. Cohesive force
4 The resistance offered by a fluid to a solid moving inside it is called:
A. Drag force
B. Surface force
C. Viscosity
D. None of these
5 A massive object falls through a fluid:
A. Faster
B. Slower
C. Slowest
D. None
6 High speed meteors rushing through air reduces to ashes because of:
A. Force of gravity
B. High resistance of air
C. Drag force
D. None of these
7 Drag force increases if speed of the object moving through the fluid:
A. Increases
B. Decreases
C. Remains constant
D. None of these
8 In case of streamed lined flow of liquid, the loss of energy is
A. Maximum
B. Minimum
C. Infinite
D. equal to what is in turbulent flow
9 Fluid A is more viscous than fluid B. While flowing through a pipe of the same dimensions and material which fluid takes longer to travel at 25°C?
A. fluid B
B. fluid A
C. both take the same time
D. not possible to determine from given information
10 The internal pressure of the blood is
A. less than the external atmospheric pressure
B. greater than the external atmospheric pressure
C. equal to the external atmosphericpressure
D. none of them

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