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

N s m-2is unit of:

Question # 2

In case of streamed lined flow of liquid, the loss of energy is

Question # 3

The terminal velocity of water droplet of radius 1 x 10-4m and desity 1000 kg m-3descending through air of viscosity 19 x 10-6kg. m-1 s-1 is

Question # 4

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

Question # 5

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 # 6

In a normal healthy person the value of systolic pressure is

Question # 7

Blood has a density

Question # 8

Liquids and gasses have

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

The electrical forces between the molecules of a liquid are

Question # 13

Under normal circumstances, the volume of blood is sufficient to keep the vessels

Question # 14

A person standing near the track of a fast moving train has tendency to fall towards it because of

Question # 15

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

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The flow of an ideal fluid is
A. streamline flow
B. incompressible flow
C. non-viscous
D. all of the above
2 The blood pressure of a person
A. decrease with age
B. increase with age
C. has no effect with age
D. none of them
3 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
4 The smooth or steady streamline flow is known as
A. laminar flow
B. turbulent flow
C. both of them
D. none of them
5 The density of water is 103kg/m3. The water pressure on a submarine is 2.0 x 107N/m2. The depth of the submarine below the surface of the water, in maters, is approximately
A. 200 m
B. 11000 m
C. 2000 m
D. 8000 m
6 Where the streamlines are very close to each other, the pressure will be
A. low
B. zero
C. high
D. all of them
7 The study of fluid in motion basically involves law of conservation of:
A. Mass
B. Energy
C. Change
D. Both A and C
8 The direction of the streamlines is the same as the direction of the
A. force
B. torque
C. velocity
D. weight
9 The dimensions of viscosity are:
A. M2L-1T-2
B. M-1L1T-1
C. M-1L-1T
D. ML-1T-1
10 A flowing liquid possess
A. K.E
B. P.E
C. Pressure Energy
D. All

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