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

Bernoulli's equation is based upon law of conversation

Question # 2

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

Question # 3

Surface tension of water is due to

Question # 4

Fluids resist force, This property is called

Question # 5

When there is no internal frictional forces between the adjacent layers of fluid, then the fluid is called

Question # 6

A container has a small hole in the bottom. Air can go through this hole,but water cannot. This can be best explained by the statement that

Question # 7

The term Brownian movement refers to

Question # 8

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

Question # 9

The body passing a viscous medium affected by:

Question # 10

A device used to measure the speed of liquid flow is known as

Question # 11

With increase of temperature, the viscosity of liquid and gases

Question # 12

If every particle of the flow that passes a particular point, moves along the same path as followed by particles which passed the point earlier, then this flow is said to be

Question # 13

The value for systolic blood pressure for a normal healthy person is

Question # 14

The electrical forces between the molecules of a liquid are

Question # 15

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

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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 How much force is required to slide one layer of the liquid over the other layer is measured by
A. friction
B. density
C. viscosity
D. resistivity
3 Rate of flow can be expressed in
A. litre/sec
B. litre-sec
C. sec/litre
D. sec/litre-m
4 The electrical forces between the molecules of a liquid are
A. Repulsive
B. Attractive
C. Both A and B
D. None
5 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
6 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
7 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
8 According to Stoke's law, drag force depends on
A. Initial velocity
B. Final velocity
C. Terminal velocity
D. Instantaneous velocity
9 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
10 The fluid is incompressible, if itsdensity is
A. zero
B. constant
C. very high
D. very small

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