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

Bernoulli's equation is important in the field of

Question # 2

The pressure will change in the pipe, as the fluid moves through that pipe of varying

Question # 3

With increase of temperature, the viscosity of liquid and gases

Question # 4

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

Question # 5

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 # 6

The blood pressure of a person

Question # 7

During the steady flow, different streamlines

Question # 8

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 # 9

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

Question # 10

The internal pressure of the blood is

Question # 11

The fluid which is incompressible and non viscous is called

Question # 12

Which of the following options states the names of fluids in the order of increasing viscosity?

Question # 13

According to the Bernoulli's theorem the pressure velocity are

Question # 14

A body is floating in a liquid. The up thrust on the body is

Question # 15

Bernoulli's equation is applicable for

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 At low speeds, the drag force is
A. proportional to speed
B. inversely proportional to speed
C. not simply proportional to speed
D. none of them
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 A device used to measure the speed of liquid flow is known as
A. barometer
B. speedometer
C. sphygmomanometer
D. venture-meter
4 Machine parts are jammed due to:
A. Increasing in viscosity of lubricant
B. Decreasing in viscosity of lubricant
C. Decreasing in surface tension of lubricant
D. None of these
5 The smooth or steady streamline flow is known as
A. laminar flow
B. turbulent flow
C. both of them
D. none of them
6 Blood is an
A. Compressible fluid
B. incompressible fluid
C. hard
D. none of them
7 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
8 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
9 The application of Bernoulli's equation is
A. Torricelli's theorem
B. Venture relation
C. Binomial theorem
D. Both a and b
10 One torr is equal to
A. 13.33 N/m2
B. 760 N/m2
C. 760 mm Hg
D. 133.3 N/m2

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