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 resistance offered by a fluid to a solid moving inside it is called:

Question # 2

Viscosity is defined as

Question # 3

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

Question # 4

The equation of continuity is

Question # 5

An object moving through a fluid experiences a retarding force called a

Question # 6

Bernoulli's equation is important in the field of

Question # 7

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

Question # 8

In a normal healthy person the value of diastolic pressure is

Question # 9

Surface tension of water is due to

Question # 10

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

Question # 11

How much force is required to slide one layer of the liquid over the other layer is measured by

Question # 12

Viscosity of water is ______ that of air but ___ that of plasma.

Question # 13

In a normal healthy person the value of systolic pressure is

Question # 14

The dimensions of viscosity are:

Question # 15

The drag force acting on a spherical droplet of radius 10-5m moving with a velocity of 1 cm/sec in a fluid of velocity 5.31 x 10-7m/sec. The units comes out to be:

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 In deriving the Bernoulli's equation, we assume that the fluid is
A. incompressible
B. no viscous
C. flows in a steady manner
D. all of them
2 Bernoulli's equation is important in the field of
A. Electrical circuit
B. Magnetism
C. Photoelectric effect
D. Flow of fluids
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
A. 2.5 ms-1
B. 3.2 ms-1
C. 4.3 ms-1
D. 1.1 ms-1
4 Fluid A is more viscous than fluid B. While flowing through a pipe of the same dimensions and material which fluid takes longer to travel at 25°C?
A. fluid B
B. fluid A
C. both take the same time
D. not possible to determine from given information
5 When there is no internal frictional forces between the adjacent layers of fluid, then the fluid is called
A. incompressible
B. compressible
C. viscous
D. non viscous
6 Blood pressure is measured in torr. Which of the following units could belong to torr?
A. N m-1
B. N m-2
C. N m
D. N-1m-2
7 The _____ viscous the medium is _____, is the value of terminal velocity of the droplet:
A. More, lesser
B. Lesser, more
C. Both A and B
D. Lesser, lesser
8 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
9 When weight of an object falling freely becomes equal to the drag force, then the body will move with
A. increasing speed
B. decreasing speed
C. constant speed
D. none of them
10 The fluid which is incompressible and non viscous is called
A. Ideal fluid
B. Non-ideal fluid
C. Prefect fluid
D. All

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