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

  • Total Questions15

  • Time Allowed20

Start Test Download PDF

Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics

00:00
Question # 1

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

Question # 2

N s m-2is unit of:

Question # 3

Surface tension of water is due to

Question # 4

A device used to measure the speed of liquid flow is known as

Question # 5

The dimensions of viscosity are:

Question # 6

Deep water almost runs still when surface water flow in rivers. What does it explains

Question # 7

The fluid which is incompressible and non viscous is called

Question # 8

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

Question # 9

When the speed of a body in a fluid increases then the drag force

Question # 10

Liquids and gasses have

Question # 11

0.10 cm can be written as:

Question # 12

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

Question # 13

In a normal healthy person the value of diastolic pressure is

Question # 14

Stoke;s law is not applicable when the speed of the object moving through a fluid is:

Question # 15

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

Submit

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


Topic Test

00:00
Submit

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

  • D
    Deuspeu 24 - Sep - 2024 01 Min 40 Sec 60/60
  • U
    Usman - 23 - Oct - 2024 02 Min 26 Sec 60/60
  • M
    Muhammad Rameez 16 - Sep - 2024 03 Min 34 Sec 60/60
  • A
    Abdullah Zubair 19 - Dec - 2024 03 Min 40 Sec 60/60
  • M
    M Umer Arain 07 - Nov - 2024 00 Min 06 Sec 55/60
  • N
    Nitalaya Hassan 25 - Dec - 2024 01 Min 19 Sec 55/60
  • F
    Fiza Saleem 02 - Dec - 2024 06 Min 24 Sec 50/60
  • M
    Muazzama Ashraf 11 - Dec - 2024 06 Min 49 Sec 50/60
  • A
    Abiha Zehra 21 - Jul - 2024 07 Min 30 Sec 50/60
  • A
    Amjad Ali 19 - Mar - 2026 03 Min 25 Sec 48/60
  • A
    Areesha Khawar 12 - Sep - 2024 03 Min 51 Sec 45/60
  • H
    hamza saeed 13 - Jan - 2025 04 Min 55 Sec 45/60
  • E
    Eraj Abeer 06 - Dec - 2024 19 Min 11 Sec 45/60
  • M
    Muneeb ur Rehman 01 - Jul - 2026 02 Min 20 Sec 44/60
  • F
    Furqan Asif 11 - Mar - 2026 07 Min 14 Sec 44/60

ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 When a water droplet falls through air, the net force on it is
A. Net force = drag force - weight
B. Net force = weight - drag force
C. Net force = drag force + weight
D. Net force = weight + drag force
2 At high altitude the blood oozes out of the nose and ear because
A. The blood pressure increase at high altitudes
B. The percentage of oxygen in the air increase
C. The atmospheric pressure decrease there
D. The density of blood decrease at high altitudes
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 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
5 The pressure will be low where the speed of the fluid is
A. Zero
B. High
C. Low
D. Constant
6 Ball pen functions on the principle of
A. Viscosity
B. Boyle's law
C. Gravitational force
D. Surface tnesion
7 Machine parts are jammed due to:
A. Increasing in viscosity of lubricant
B. Decreasing in viscosity of lubricant
C. Decreasing in surface tension of lubricant
D. None of these
8 Which of the following has the greatest coefficient of viscosity?
A. water
B. gasoline
C. honey
D. tar
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 Surface tension of water is reduced by adding
A. Detergents
B. Camphor
C. Plastic
D. Both A and B

Test Questions

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!