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 density of blood is nearly equal to that of

Question # 2

The unit of viscosity is SI system is:

Question # 3

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

Question # 4

Blood is an

Question # 5

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 # 6

In Bernoulli's theorem the relation between velocity and pressure is

Question # 7

Fluids have three types of energies. The Bernoulli's equation combines those energies.which of the following is one of the three enrgies possessed by a fluid?

Question # 8

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

Question # 9

The rain drop falling from the sky reach the ground with

Question # 10

Rate of flow can be expressed in

Question # 11

Bernoulli's equation is based upon law of conversation

Question # 12

The fluid is incompressible, if itsdensity is

Question # 13

The equation of continuity
A1V1= A2V2is for the flow of

Question # 14

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

Question # 15

Bernoulli's equation is applicable for

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Under normal circumstances, the volume of blood is sufficient to keep the vessels
A. flatted for all times
B. inflated for all times
C. inflated for small times
D. none of them
2 The pressure will change in the pipe, as the fluid moves through that pipe of varying
A. cross-section
B. height
C. none of them
D. both of them
3 The electrical forces between the molecules of a liquid are
A. Repulsive
B. Attractive
C. Both A and B
D. None
4 The SI unit of viscosity is
A. kg m-1s-1
B. kg ms-1
C. kg m-1s-2
D. kg m-1s
5 Ball pen functions on the principle of
A. Viscosity
B. Boyle's law
C. Gravitational force
D. Surface tnesion
6 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
7 The fluid is incompressible, if itsdensity is
A. zero
B. constant
C. very high
D. very small
8 Fluids have three types of energies. The Bernoulli's equation combines those energies.which of the following is one of the three enrgies possessed by a fluid?
A. potential energy
B. pressure energy
C. strain energy
D. (a) and (b) only
9 The term Brownian movement refers to
A. irregular motions of small particles suspended in a fluid
B. convection currents in a liquid or gas
C. convection currents in a gas but not in a liquid
D. the stretching of a body beyond its elastic limit
10 Stoke;s law is not applicable when the speed of the object moving through a fluid is:
A. Zero
B. Small
C. Large
D. None of these

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