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

If one of the pipes has a much smaller diameter than the other and are placed horizontally then form both sides of Bernoulli's equation, we can drop the term

Question # 2

Which of the following has the greatest coefficient of viscosity?

Question # 3

When the velocity of a liquid flowing steadily in a tube increases, its pressure?

Question # 4

The law of conservation of energy gives us

Question # 5

Which of the following is a characteristic of an ideal fluid?

Question # 6

According to Stoke's law, drag force depends on

Question # 7

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

Question # 8

Bernoulli's equation is based upon law of conversation

Question # 9

When weight of an object falling freely becomes equal to the drag force, then the body will move with

Question # 10

The density of blood is nearly equal to that of

Question # 11

Fluids resist force, This property is called

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

The value of viscosity of a fluid is dependent on (at constant temperature)

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The property of fluids due to which they resist their own flow is called:
A. Drag force
B. Surface tension
C. Viscosity
D. None of these
2 A massive object falls through a fluid:
A. Faster
B. Slower
C. Slowest
D. None
3 According to the Bernoulli's equation, where the speed of the fluid is high, the pressure will be
A. low
B. zero
C. high
D. all of them
4 The mass of fluid passing through any cross-section per unit time is called
A. electric flux
B. magnetic flux
C. mass flux
D. none of them
5 The rain drop falling from the sky reach the ground with
A. Constant terminal velocity
B. Constant gravitational acceleration
C. Variable acceleration
D. acceleration greater than g
6 The instrument which detects the instant at which external pressure becomes equal to the systolic pressure is
A. stethoscope
B. thermometer
C. manometer
D. barometer
7 Blood vessels can be stretch like rubber, therefore they are
A. rigid
B. hard
C. very thick
D. not rigid
8 N s m-2is unit of:
A. Drag force
B. Pressure
C. Surface tension
D. Coefficient of viscosity
9 A body is floating in a liquid. The up thrust on the body is
A. Equal to weight of liquid displaced
B. Zero
C. Less than the weight of liquid displaced
D. Weight of body-weight of liquid displaced
10 The electrical forces between the molecules of a liquid are
A. Repulsive
B. Attractive
C. Both A and B
D. None

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