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 flow of an ideal fluid is

Question # 2

Substances that do not flow easily have

Question # 3

Bernoulli's equation is applicable for

Question # 4

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

Question # 5

The velocity of falling raindrops attains limited value because of

Question # 6

The maximum drag force on a falling sphere is 9.8 N, it weight is

Question # 7

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 # 8

The irregular and unsteady flow of the fluid is called

Question # 9

Bernoulli's equation is the fundamental equation in fluid dynamics, which relates pressure to fluid

Question # 10

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

Question # 11

When a water droplet falls through air, the net force on it is

Question # 12

When each particle of the fluid moves along a smoth path, this path is known as

Question # 13

According to the equation of continuity, when water falls from the tap, it's speed increases and its cross-sectional area

Question # 14

Bernoulli's equation is based upon law of conversation of

Question # 15

In a normal healthy person the value of systolic pressure is

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 In Bernoulli's theorem the relation between velocity and pressure is
A. Inverse
B. Direct
C. None of the above
D. Both a and b
2 The density of blood is nearly equal to that of
A. mercury
B. sodium
C. water
D. honey
3 The terminal velocity of a small size spherical body of radius R moving in a fluid varies as
A. R
B. R2
C. 1/R
D. (1/R)2
4 At the starting point of the free fall motion of an object, its acceleration will be
A. maximum
B. minimum
C. zero
D. none of them
5 A device used to measure the speed of liquid flow is known as
A. barometer
B. speedometer
C. sphygmomanometer
D. venture-meter
6 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
7 Bernoulli's equation is the fundamental equation in fluid dynamics, which relates pressure to fluid
A. speed
B. height
C. none of them
D. both of them
8 The dimensions of viscosity are:
A. M2L-1T-2
B. M-1L1T-1
C. M-1L-1T
D. ML-1T-1
9 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
10 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

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