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

In a container having water filled up to a height h, a hole is made in the bottom. The velocity of water flowing out of the hole is

Question # 2

One torr is equal to

Question # 3

According to Stoke's law, drag force depends on

Question # 4

High speed meteors rushing through air reduces to ashes because of:

Question # 5

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

Question # 6

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

Question # 7

The rain drop falling from the sky reach the ground with

Question # 8

The velocity of falling raindrops attains limited value because of

Question # 9

A tube tapers from 20 cm diameter to 2 cm, the velocity at first cross-section is 50 ms-1then velocity at second cross-section is

Question # 10

According to slok's law, drag force depends on

Question # 11

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?

Question # 12

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

Question # 13

What is another name for laminar flow?

Question # 14

The flow of an ideal fluid is

Question # 15

When the velocity of a liquid flowing steadily in a tube increases, its pressure?

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 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
2 Fog droplets are suspended in air when their weight is balanced by:
A. Force of gravity
B. Upward trust due to air
C. Surface tension
D. None of these
3 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
A. P
B. 1/2 fv2
C. pgh
D. none of them
4 A body is floating in a liquid. The up thrust on the body is
A. Equal to weight of liquid displaced
B. Zero
C. Less than the weight of liquid displaced
D. Weight of body-weight of liquid displaced
5 The _____ viscous the medium is _____, is the value of terminal velocity of the droplet:
A. More, lesser
B. Lesser, more
C. Both A and B
D. Lesser, lesser
6 Rate of flow can be expressed in
A. litre/sec
B. litre-sec
C. sec/litre
D. sec/litre-m
7 One torr is equal to
A. 13.33 N/m2
B. 760 N/m2
C. 760 mm Hg
D. 133.3 N/m2
8 High speed meteors rushing through air reduces to ashes because of:
A. Force of gravity
B. High resistance of air
C. Drag force
D. None of these
9 In a container having water filled up to a height h, a hole is made in the bottom. The velocity of water flowing out of the hole is
A. Independent of h
B. Proportional to h1/2
C. Proportional to h
D. Proportional to h2
10 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
A. 20
B. 200
C. 2000
D. 20,000

Test Questions

Is this page helpful?