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

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

Question # 2

The fluid which is incompressible and non viscous is called

Question # 3

If v is the velocity of flow of liquid through a tube of area of cross-section A, then according to equation of continuity

Question # 4

The body passing a viscous medium affected by:

Question # 5

According to the Bernoulli's theorem the pressure velocity are

Question # 6

Glycerin has viscosity _____ the viscosity of water:

Question # 7

The blood pressure of a person

Question # 8

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

Question # 9

According to slok's law, drag force depends on

Question # 10

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

Question # 11

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

Question # 12

The un-steady streamline flow is called

Question # 13

In the case of an incompressible fluid in stead flow the net rate of flow of mass entering one end of the tube of flow is equal to the net rate of flow of mass leaving the other end. This equation is called

Question # 14

The equation of continuity
A1V1= A2V2is for the flow of

Question # 15

Where the streamlines are very close to each other, the pressure will be

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The density of blood is nearly equal to that of
A. mercury
B. sodium
C. water
D. honey
2 The value of viscosity of a fluid is dependent on (at constant temperature)
A. the fluid itself
B. the fluid and its container
C. anything in contact with the fluid
D. all of the above
3 The product of cross-sectional area of the pipe and the fluid speed at any pint along the pipe is
A. very high
B. very low
C. constant
D. zero
4 In a normal healthy person the value of diastolic pressure is
A. 75 - 80 torr
B. 100 torr
C. 120 torr
D. none of them
5 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
6 In a normal healthy person the value of systolic pressure is
A. 75 torr
B. 80 torr
C. 120 torr
D. all of them
7 If water rises 4 cm in a long, thin tube because of capillary action, then, under corresponding conditions of use, the rise (in the tube) of a liquid whose density is 2 g/cm2will be
A. 1 cm
B. 2 cm
C. 8 cm
D. None
8 The value for systolic blood pressure for a normal healthy person is
A. 140 torr
B. 80 torr
C. 90 torr
D. 120 torr
9 Fluids resist force, This property is called
A. Stiffness
B. Strength
C. Ductility
D. Elasticity
10 Viscosity is defined as
A. the friction between fluid and its container's walls
B. the internal friction between two layers of fluid
C. the resistance to flow a fluid experiences
D. the extent to which outside factors effect the fluid's flow

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