ECAT Pre Computer Science Chapter 6 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 6 Fluid Dynamics

Try The MCQ's Test For ECAT Physics Chapter 6 Fluid Dynamics

  • Total Questions15

  • Time Allowed20

Start Test Download PDF

ECAT Physics Chapter 6 Fluid Dynamics

00:00
Question # 1

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

Question # 2

When each particle of the fluid moves along a smoth path, this path is known as

Question # 3

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 # 4

The application of Bernoulli's equation is

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

The maximum drag force on a falling sphere is 9.8 N, it weight is

Question # 7

The terminal velocity of a small size spherical body of radius R moving in a fluid varies as

Question # 8

At high altitude the blood oozes out of the nose and ear because

Question # 9

With the increase of temperature viscosity

Question # 10

A water hose with an internal diameter of 20 mm at the outlet discharges 30 kg of water in 60 s. What is water speed at the outlet if density of water is 1000 kg/m3during its steady flow

Question # 11

A fluid at a certain point has 50 J of potential energy per unit volume, 75 J of kinetic energy per unit volume,and 35 J of pressure energy per unit volume. the total energy of the fluid is

Question # 12

The blood pressure of a person

Question # 13

In deriving the Bernoulli's equation, we assume that the fluid is

Question # 14

When there is no internal frictional forces between the adjacent layers of fluid, then the fluid is called

Question # 15

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

Submit

Prepare Complete Set Wise ECAT Physics Chapter 6 Fluid Dynamics MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of ECAT Physics Chapter 6 Fluid Dynamics MCQ`s Test

  • D
    dark goblin 12 - Jul - 2024 00 Min 59 Sec 60/60
  • H
    Hussain Iqbal 29 - Jan - 2026 01 Min 55 Sec 56/60
  • T
    Tasser Haider 31 - May - 2024 01 Min 51 Sec 55/60
  • A
    Abdullah Baloch 26 - Jul - 2024 02 Min 34 Sec 55/60
  • F
    Faisal Hayat 03 - Jan - 2025 10 Min 26 Sec 55/60
  • M
    Moeez Ahmad 27 - Nov - 2025 02 Min 13 Sec 52/60
  • H
    Haseeb Ur Rehman raja 23 - Jun - 2024 00 Min 46 Sec 50/60
  • M
    Muhammad Hashim 01 - Jun - 2024 02 Min 39 Sec 50/60
  • M
    Manoush Fatima 30 - May - 2024 05 Min 02 Sec 50/60
  • A
    Ahmad Khan 30 - Aug - 2024 05 Min 27 Sec 50/60
  • M
    M.Faiq 19 - May - 2024 02 Min 44 Sec 45/60
  • M
    Muhammad Ahsan 10 - Mar - 2024 05 Min 23 Sec 45/60
  • A
    Adil Tarar 18 - Dec - 2024 05 Min 31 Sec 45/60
  • S
    sweet home 12 - Dec - 2024 09 Min 22 Sec 45/60
  • U
    Unknown 19 - Mar - 2026 02 Min 51 Sec 44/60

ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 When weight of an object falling freely becomes equal to the drag force, then the body will move with
A. increasing speed
B. decreasing speed
C. constant speed
D. none of them
2 The law of conservation of energy gives us
A. equation of continuity
B. Bernoulli's theorem
C. both of them
D. none of them
3 Which of the following options correctly states the equation of continuity for an ideal fluid?
A. A1A2= V1V2
B. A1/A2= V2/V1
C. A1/A2= V1/V2
D. none of the above
4 Blood is an
A. Compressible fluid
B. incompressible fluid
C. hard
D. none of them
5 The effect of friction between different layers of a flowing fluid is described in terms of
A. motion of fluid
B. nature of fluid
C. colour of fluid
D. viscosity of fluid
6 Stock's law holds for:
A. Motion through free space
B. Motion through viscous medium
C. Bodies of all shapes
D. None of these
7 Bernoulli's equation is the fundamental equation in fluid dynamics, which relates pressure to fluid
A. speed
B. height
C. none of them
D. both of them
8 Terminal velocity is the maximum velocity attained by a spherical droplet when the drag force______the weight of droplet:
A. Is smaller than
B. Is greater than
C. Becomes equal to
D. None of these
9 When the upward drag force of the fluid becomes equal to downward force of gravity of the droplet, then its velocity:
A. Starts increasing
B. Starts decreasing
C. Becomes constant
D. Is called escape velocity
10 The instrument which detects the instant at which external pressure becomes equal to the systolic pressure is
A. stethoscope
B. thermometer
C. manometer
D. barometer

Test Questions

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!