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 blood pressure of a person

Question # 2

The direction of the streamlines is the same as the direction of the

Question # 3

What is another name for laminar flow?

Question # 4

A flowing liquid possess

Question # 5

Bernoulli's equation is based upon law of conservation

Question # 6

Where the streamlines are very far apart from each other, the pressure will be

Question # 7

The effect of friction between different layers of a flowing fluid is described in terms of

Question # 8

According to the Bernoulli's theorem the pressure velocity are

Question # 9

In the case of an incompressible fluid in stead flow the net rate of flow of mass entering one end of the tube of flow is equal to the net rate of flow of mass leaving the other end. This equation is called

Question # 10

When a fluid is in motion, its flow can be considered as

Question # 11

Rate of flow can be expressed in

Question # 12

The terminal velocity of water droplet of radius 1 x 10-4m and desity 1000 kg m-3descending through air of viscosity 19 x 10-6kg. m-1 s-1 is

Question # 13

The unit of viscosity is SI system is:

Question # 14

Blood is an

Question # 15

A massive object falls through a fluid:

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The analysis of fluid motion becomes simplified by using
A. law of conservation
B. law of conservation of energy
C. both of them
D. none of them
2 The product of cross-sectional area of the pipe and the fluid speed at any point along the pipe is called
A. constant rate
B. volume rate
C. flow rate
D. steady rate
3 The pressure will be low where the speed of the fluid is
A. Zero
B. High
C. Low
D. Constant
4 Which of the following options states the names of fluids in the order of increasing viscosity?
A. mercury, motor oil, methanol
B. methanol, mercury, motor oil
C. motor oil, mercury, methanol
D. methanol, motor oil, mercury
5 The fluid which is incompressible and non viscous is called
A. Ideal fluid
B. Non-ideal fluid
C. Prefect fluid
D. All
6 The electrical forces between the molecules of a liquid are
A. Repulsive
B. Attractive
C. Both A and B
D. None
7 Fluids resist force, This property is called
A. Stiffness
B. Strength
C. Ductility
D. Elasticity
8 In a _____ flow, each particle of the fluid is called a streamline and different streamlines ______cross each other.
A. Streamline, cannot
B. Turbulent, cannot
C. Streamline, can
D. None of these
9 A fluid at a certain point has 50 J of potential energy per unit volume, 75 J of kinetic energy per unit volume,and 35 J of pressure energy per unit volume. the total energy of the fluid is
A. 125 J
B. 90 J
C. 160 J
D. 85 J
10 What is another name for laminar flow?
A. streamline
B. unsteady flow
C. turbulent flow
D. both (a) and (b)

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