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

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

Question # 2

One torr is equal to

Question # 3

What are the SI base units of the coefficient of viscosity

Question # 4

Blood vessels can be stretch like rubber, therefore they are

Question # 5

The rain drop falling from the sky reach the ground with

Question # 6

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

Question # 7

High speed meteors rushing through air reduces to ashes because of:

Question # 8

Fluids resist force, This property is called

Question # 9

Blood pressure is measured in torr. Which of the following units could belong to torr?

Question # 10

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

Question # 11

Density of fluid is defined as:

Question # 12

The fluid is incompressible, if itsdensity is

Question # 13

N s m-2is unit of:

Question # 14

When a fluid is in motion, its flow can be considered as

Question # 15

The blood pressure of a person

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The smooth or steady streamline flow is known as
A. laminar flow
B. turbulent flow
C. both of them
D. none of them
2 When the droplet moves with terminal velocity in a fluid, the net force acting on the droplet is:
A. FD-mg
B. Zero
C. mg-FD
D. None of these
3 A massive object falls through a fluid:
A. Faster
B. Slower
C. Slowest
D. None
4 A device used to measure the speed of liquid flow is known as
A. barometer
B. speedometer
C. sphygmomanometer
D. venture-meter
5 At high speed, fluid friction _____ and fuel consumption ___,:
A. Increases, decreases
B. Increases, increases
C. Decreases, increases
D. None of these
6 The flow of an ideal fluid is
A. streamline flow
B. incompressible flow
C. non-viscous
D. all of the above
7 A tube is tapered from 20 cm diameter to 2 cm diameter, the velocity at the first cross-section is 50 cm/s, then the velocity at the second cross-section is
A. 50 m/s
B. 20 m/s
C. 40 cm/s
D. 5 cm/s
8 According to slok's law, drag force depends on
A. Radius of the spherical body
B. Terminal velocity of body
C. Coefficient of viscosity
D. All of above
9 The fluid is incompressible, if itsdensity is
A. zero
B. constant
C. very high
D. very small
10 The density of blood is nearly equal to that of
A. mercury
B. sodium
C. water
D. honey

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