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

Two copper balls of 1 cm and 2 cm in diameter are simultaneously dropped in the same viscous medium. The terminal velocity of bigger ball is:

Question # 2

At low speeds, the drag force is

Question # 3

A high concentration of red blood cells increases its viscosity from

Question # 4

The velocity gained by the fluid in falling through the distance (h1 - h2) under the action of gravity is equal to the speed of the action of gravity is equal to the speed of the

Question # 5

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 # 6

The blood pressure of a person

Question # 7

Surface tension of water is due to

Question # 8

A flowing liquid possess

Question # 9

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

Question # 10

The velocity of falling raindrops attains limited value because of

Question # 11

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

Question # 12

The drag force acting on a spherical droplet of radius 10-5m moving with a velocity of 1 cm/sec in a fluid of velocity 5.31 x 10-7m/sec. The units comes out to be:

Question # 13

The _____ viscous the medium is _____, is the value of terminal velocity of the droplet:

Question # 14

When a water droplet falling freely through air, the drag force on water droplet increases with th

Question # 15

The body will move with terminal velocity when it acquires

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 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
2 Blood pressure is measured in torr. Which of the following units could belong to torr?
A. N m-1
B. N m-2
C. N m
D. N-1m-2
3 According to slok's law, drag force depends on
A. Radius of the spherical body
B. Terminal velocity of body
C. Coefficient of viscosity
D. All of above
4 The terminal velocity of water droplet of radius 1 x 10-4m and desity 1000 kg m-3descending through air of viscosity 19 x 10-6kg. m-1 s-1 is
A. 2.5 ms-1
B. 3.2 ms-1
C. 4.3 ms-1
D. 1.1 ms-1
5 Blood pressure is measured by the instrument
A. stethoscope
B. sphygmomanometer
C. barometer
D. none of them
6 During the free fall motion of an object, when its weight becomes equal to the drag force, then it will move with
A. maximum speed
B. zero speed
C. maximum speed
D. none of them
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 N s m-2is unit of:
A. Drag force
B. Pressure
C. Surface tension
D. Coefficient of viscosity
9 When the speed of a body in a fluid increases then the drag force
A. decreases
B. becomes zero
C. increases
D. non of them
10 Fluid friction is _____ the friction between two solid surfaces:
A. Greater than
B. Smaller than
C. Equal to
D. None of these

Test Questions

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!