ECAT Pre General Science Chapter 6 online mcq test with answers for Physics chapter 6 (Fluid Dynamics)

ECAT Pre General Science Physics Chapter 6 Fluid Dynamics Online Test

Try the ECAT Pre General Science Physics Chapter 6 Fluid Dynamics Online Test.

Total Questions30
Time Allowed30

Start Test

ECAT Pre General Science Physics Chapter 6 Fluid Dynamics Online Test

00:00

Question # 1

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

constant rate A
volume rate B
flow rate C
steady rate D

Question # 2

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

P A
1/2 fv² B
pgh C
none of them D

Question # 3

One torr is equal to

13.33 N/m² A
760 N/m² B
760 mm Hg C
133.3 N/m² D

Question # 4

If the flow is incompressible and the flow is steady then the mass of the fluid through the pipe

increases A
decreases B
becomes zero C
is conserved D

Question # 5

Fire fighters have a jet attached to the head of their water pipes in order to head of their water pipes in order to

Increase the mass of water flowing per second A
Avoid wastage of water B
Increase the velocity of water flowing out C
Increase the volume of water flowing per second D

Question # 6

Under normal circumstances, the volume of blood is sufficient to keep the vessels

flatted for all times A
inflated for all times B
inflated for small times C
none of them D

Question # 7

The unit of viscosity is SI system is:

Kg^-1m sec^-1 A
Kgm^-1 sec^-1 B
Kg^-1m^-1 sec C
None of these D

Question # 8

Fluid A is more viscous than fluid B. While flowing through a pipe of the same dimensions and material which fluid takes longer to travel at 25°C?

fluid B A
fluid A B
both take the same time C
not possible to determine from given information D

Question # 9

With the increase of temperature viscosity

Increase A
Decrease B
Remains same C
Doubles D

Question # 10

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

Quadratic equation A
Equation of discontinuity B
Equation of continuity C
None of the above D

Question # 11

According to the Bernoulli's equation, where the speed of the fluid is high, the pressure will be

low A
zero B
high C
all of them D

Question # 12

The force exerted by the fluid in a hydraulic pump on the piston is 10 cm², the fluid pressure on the piston is, in N/cm²

20 A
200 B
2000 C
20,000 D

Question # 13

In case of streamed lined flow of liquid, the loss of energy is

Maximum A
Minimum B
Infinite C
equal to what is in turbulent flow D

Question # 14

If every particle of the flow that passes a particular point, moves along the same path as followed by particles which passed the point earlier, then this flow is said to be

turbulent A
streamline B
abrupt C
none of them D

Question # 15

The body passing a viscous medium affected by:

One force only A
Two forces only B
Four forces C
None of these D

Question # 16

Blood vessels can be stretch like rubber, therefore they are

rigid A
hard B
very thick C
not rigid D

Question # 17

What are the SI base units of the coefficient of viscosity

Kg m s^-2 A
kgm² s^-2 B
Kg m s^-1 C
kg m^-1s^-1 D

Question # 18

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

Inverse A
Direct B
None of the above C
Both a and b D

Question # 19

The un-steady streamline flow is called

laminar flow A
turbulent flow B
both of them C
none of them D

Question # 20

The law of conservation of energy gives us

equation of continuity A
Bernoulli's theorem B
both of them C
none of them D

Question # 21

Blood is an

Compressible fluid A
incompressible fluid B
hard C
none of them D

Question # 22

Two water pipes of diameters 4 cm and 8 cm are connected with a supply line. The velocity of flow of water in the pipe 4 cm diameter is

1/4 times A
4 times B
Twice C
1/2 of 8 cm diameter pipe D

Question # 23

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

Drag force A
Surface tension B
Viscosity C
None of these D

Question # 24

Bernoulli's equation is based upon law of conversation of

mass A
momentum B
Energy C
None D

Question # 25

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?

potential energy A
pressure energy B
strain energy C
(a) and (b) only D

Question # 26

A person standing near the track of a fast moving train has tendency to fall towards it because of

Vibration due to motion of train A
Gravitation force of attraction between person and trains B
The high speed of train C
Some other effect D

Question # 27

The mass of fluid passing through any cross-section per unit time is called

electric flux A
magnetic flux B
mass flux C
none of them D

Question # 28

Fog droplets are suspended in air when their weight is balanced by:

Force of gravity A
Upward trust due to air B
Surface tension C
None of these D

Question # 29

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

1 cm A
2 cm B
8 cm C
None D

Question # 30

Blood has a density

Equal to water A
Greater then water B
Lesser then water C
None of these D

Submit

Prepare All ECAT Pre General Science Physics Chapter 6 Fluid Dynamics Online Test MCQs With Answers

Set 1

30 Questions
Start
Set 2

30 Questions
Start
Set 3

30 Questions
Start
Set 4

30 Questions
Start
Set 5

30 Questions
Start
Set 6

30 Questions
Start

Latest Educational News Stories

Pakistan's Largest Database of Colleges and Universities

BS Programs

University Past Papers

University Results

Exam Results 2024

Study Abroad Programs and Opportunities for Pakistani Students

ECAT Pre General Science Physics Chapter 6 MCQ Test With Answer for Physics chapter 6 (Fluid Dynamics)

ECAT Pre General Science Physics Chapter 6 Test

ECAT Pre General Science Physics Chapter 6 Fluid Dynamics Online Test

ECAT Pre General Science Physics Chapter 6 Fluid Dynamics Online Test

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

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

One torr is equal to

If the flow is incompressible and the flow is steady then the mass of the fluid through the pipe

Fire fighters have a jet attached to the head of their water pipes in order to head of their water pipes in order to

Under normal circumstances, the volume of blood is sufficient to keep the vessels

The unit of viscosity is SI system is:

Fluid A is more viscous than fluid B. While flowing through a pipe of the same dimensions and material which fluid takes longer to travel at 25°C?

With the increase of temperature viscosity

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

According to the Bernoulli's equation, where the speed of the fluid is high, the pressure will be

The force exerted by the fluid in a hydraulic pump on the piston is 10 cm2, the fluid pressure on the piston is, in N/cm2

In case of streamed lined flow of liquid, the loss of energy is

If every particle of the flow that passes a particular point, moves along the same path as followed by particles which passed the point earlier, then this flow is said to be

The body passing a viscous medium affected by:

Blood vessels can be stretch like rubber, therefore they are

What are the SI base units of the coefficient of viscosity

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

The un-steady streamline flow is called

The law of conservation of energy gives us

Blood is an

Two water pipes of diameters 4 cm and 8 cm are connected with a supply line. The velocity of flow of water in the pipe 4 cm diameter is

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

Bernoulli's equation is based upon law of conversation of

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 person standing near the track of a fast moving train has tendency to fall towards it because of

The mass of fluid passing through any cross-section per unit time is called

Fog droplets are suspended in air when their weight is balanced by:

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

Blood has a density

Prepare All ECAT Pre General Science Physics Chapter 6 Fluid Dynamics Online Test MCQs With Answers

Set 1

Set 2

Set 3

Set 4

Set 5

Set 6

Top Scorers of ECAT Pre General Science Physics Chapter 6 Fluid Dynamics Online Test

Test Questions

The force exerted by the fluid in a hydraulic pump on the piston is 10 cm², the fluid pressure on the piston is, in N/cm²

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