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

In a normal healthy person the value of systolic pressure is

Question # 3

Bernoulli's equation is the fundamental equation in fluid dynamics, which relates pressure to fluid

Question # 4

The density of blood is nearly equal to that of

Question # 5

The body passing a viscous medium affected by:

Question # 6

Rate of flow can be expressed in

Question # 7

At low speeds, the drag force is

Question # 8

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

Question # 9

The SI unit of viscosity is

Question # 10

With the increase of temperature viscosity

Question # 11

The velocity gained by the fluid in falling through the distance (h1 - h2) under the action of gravity is equal to the speed of the action of gravity is equal to the speed of the

Question # 12

According to slok's law, drag force depends on

Question # 13

The instrument which detects the instant at which external pressure becomes equal to the systolic pressure is

Question # 14

What are the SI base units of the coefficient of viscosity

Question # 15

When a water droplet falling freely through air, the drag force on water droplet increases with th

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The electrical forces between the molecules of a liquid are
A. Repulsive
B. Attractive
C. Both A and B
D. None
2 Fluids resist force, This property is called
A. Stiffness
B. Strength
C. Ductility
D. Elasticity
3 Blood is an
A. Compressible fluid
B. incompressible fluid
C. hard
D. none of them
4 Liquids and gasses have
A. zero viscosity
B. non-zero viscosity
C. very large viscosity
D. very small viscosity
5 One torr is equal to
A. 13.33 N/m2
B. 760 N/m2
C. 760 mm Hg
D. 133.3 N/m2
6 The dimensions of viscosity are:
A. M2L-1T-2
B. M-1L1T-1
C. M-1L-1T
D. ML-1T-1
7 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
8 In a surface tension experiment with a capillary tube water rises up to 0.1 m. if the same experiment is repeated on an artificial satellite, which is resolving around the earth, water will rise in the capillary tube up to a height of
A. 0.1 m
B. 0.2 m
C. 0.98 m
D. Full length of the capillary tube
9 With the increase of temperature viscosity
A. Increase
B. Decrease
C. Remains same
D. Doubles
10 According to the Bernoulli's theorem the pressure velocity are
A. equal to each other
B. proportional to each other
C. inversely proportional to each other
D. none of them

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