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

Blood pressure is measured by the instrument

Question # 2

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

Question # 3

According to the Bernoulli's theorem the pressure velocity are

Question # 4

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 # 5

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

Question # 6

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

Question # 7

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

Question # 8

The rain drop falling from the sky reach the ground with

Question # 9

Which of the following has the greatest coefficient of viscosity?

Question # 10

The density of blood is nearly equal to that of

Question # 11

The smooth or steady stream-line flow is know as

Question # 12

The velocity of falling raindrop attains limited value because of

Question # 13

Drag force increases if speed of the object moving through the fluid:

Question # 14

Bernoulli's equation is based upon law of conversation of

Question # 15

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

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The velocity of falling raindrop attains limited value because of
A. Up trust of air
B. Viscous force exerted by air
C. Surface tension effect
D. Air currents atmosphere
2 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
3 The smooth or steady streamline flow is known as
A. laminar flow
B. turbulent flow
C. both of them
D. none of them
4 In a container having water filled up to a height h, a hole is made in the bottom. The velocity of water flowing out of the hole is
A. Independent of h
B. Proportional to h1/2
C. Proportional to h
D. Proportional to h2
5 The irregular and unsteady flow of the fluid is called
A. turbulent flow
B. steady flow
C. either of them
D. both of them
6 The body passing a viscous medium affected by:
A. One force only
B. Two forces only
C. Four forces
D. None of these
7 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
8 When the different streamlines cannot cross each other, then this condition is known as
A. continuity condition
B. turbulent flow condition
C. steady flow condition
D. none of them
9 The study of fluid in motion basically involves law of conservation of:
A. Mass
B. Energy
C. Change
D. Both A and C
10 When a water droplet falls through air, the net force on it is
A. Net force = drag force - weight
B. Net force = weight - drag force
C. Net force = drag force + weight
D. Net force = weight + drag force

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