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 product of cross-sectional area of the pipe and the fluid speed at any point along the pipe is called

Question # 2

The unit of viscosity is SI system is:

Question # 3

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

Question # 4

According to the Bernoulli's equation, where the speed of the fluid is high, the pressure will be

Question # 5

Bernoulli's equation is applicable for

Question # 6

The density of blood is nearly equal to that of

Question # 7

The flow of an ideal fluid is

Question # 8

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

Question # 9

The irregular and unsteady flow of the fluid is called

Question # 10

Blood is an

Question # 11

Where the streamlines are very close to each other, the pressure will be

Question # 12

Bernoulli's equation is based upon law of conversation of

Question # 13

Which of the following options correctly states the equation of continuity for an ideal fluid?

Question # 14

The property of fluids due to which they resist their own flow is called:

Question # 15

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

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The value for systolic blood pressure for a normal healthy person is
A. 140 torr
B. 80 torr
C. 90 torr
D. 120 torr
2 During the steady flow, different streamlines
A. cannot across each other
B. can across each other
C. either of them
D. neither of them
3 Stoke;s law is not applicable when the speed of the object moving through a fluid is:
A. Zero
B. Small
C. Large
D. None of these
4 A body is moving through a viscous medium eventually comes to rest because of:
A. Force of gravity
B. Force of friction
C. Its weight
D. Both A and C
5 With increase of temperature, the viscosity of liquid and gases
A. Increases for both
B. Decreases for both
C. Increases for liquids and decreases for gases
D. Decreases for liquids and increases for gases
6 When the velocity of a liquid flowing steadily in a tube increases, its pressure?
A. Decreases
B. Increases
C. Remains same
D. Zero
7 If water rises 4 cm in a long, thin tube because of capillary action, then, under corresponding conditions of use, the rise (in the tube) of a liquid whose density is 2 g/cm2will be
A. 1 cm
B. 2 cm
C. 8 cm
D. None
8 Pressure exerted by a gas on the walls of its container in due to
A. adhesion between the gas molecules and the container
B. cohesion between the gas molecules and the container
C. collision between the gas molecules and the container
D. surface tension of the gas
9 When the different streamlines cannot cross each other, then this condition is known as
A. continuity condition
B. turbulent flow condition
C. steady flow condition
D. none of them
10 The law of conservation of energy gives us
A. equation of continuity
B. Bernoulli's theorem
C. both of them
D. none of them

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