ECAT Pre Computer Science Chapter 6 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 6 Fluid Dynamics

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

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ECAT Physics Chapter 6 Fluid Dynamics

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Question # 1

Terminal velocity is the maximum velocity attained by a spherical droplet when the drag force______the weight of droplet:

Question # 2

The rain drop falling from the sky reach the ground with

Question # 3

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

Question # 4

The internal pressure of the blood is

Question # 5

The SI unit of viscosity is

Question # 6

Surface tension of water is due to

Question # 7

In a _____ flow, each particle of the fluid is called a streamline and different streamlines ______cross each other.

Question # 8

In deriving the Bernoulli's equation, we assume that the fluid is

Question # 9

In a normal healthy person the value of diastolic pressure is

Question # 10

With the increase of temperature viscosity

Question # 11

When the different streamlines cannot cross each other, then this condition is known as

Question # 12

Rate of flow can be expressed in

Question # 13

Two copper balls of 1 cm and 2 cm in diameter are simultaneously dropped in the same viscous medium. The terminal velocity of bigger ball is:

Question # 14

According to the equation of continuity, when water falls from the tap, it's speed increases and its cross-sectional area

Question # 15

Viscosity is defined as

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Blood vessels can be stretch like rubber, therefore they are
A. rigid
B. hard
C. very thick
D. not rigid
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 The product of cross-sectional area of the pipe and the fluid speed at any pint along the pipe is
A. very high
B. very low
C. constant
D. zero
4 The unit of viscosity is SI system is:
A. Kg-1m sec-1
B. Kgm-1 sec-1
C. Kg-1m-1 sec
D. None of these
5 When the speed of a body in a fluid increases then the drag force
A. decreases
B. becomes zero
C. increases
D. non of them
6 The application of Bernoulli's equation is
A. Torricelli's theorem
B. Venture relation
C. Binomial theorem
D. Both a and b
7 0.10 cm can be written as:
A. 1.0 x 10-2m
B. 1.0 x 10-3cm
C. 1.0 x 10-4cm
D. 1. x 10-4m
8 Glycerin has viscosity _____ the viscosity of water:
A. More than
B. Equal to
C. Less than
D. None of these
9 Two water pipes of diameters 4 cm and 8 cm are connected with a supply line. The velocity of flow of water in the pipe 4 cm diameter is
A. 1/4 times
B. 4 times
C. Twice
D. 1/2 of 8 cm diameter pipe
10 When each particle of the fluid moves along a smoth path, this path is known as
A. straight path
B. smooth path
C. haphazard path
D. steamline

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