ECAT Pre General Science Physics Chapter 6 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 6 Fluid Dynamics

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

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

ECAT Pre General Science Physics Chapter 6 Fluid Dynamics

00:00
Question # 1

Blood pressure is measured by the instrument

Question # 2

The unit of viscosity is SI system is:

Question # 3

During the steady flow, different streamlines

Question # 4

The value of viscosity of a fluid is dependent on (at constant temperature)

Question # 5

At the starting point of the free fall motion of an object, its acceleration will be

Question # 6

At low speeds, the drag force is

Question # 7

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 # 8

The fluid is incompressible, if itsdensity is

Question # 9

The term Brownian movement refers to

Question # 10

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

Question # 11

According to slok's law, drag force depends on

Question # 12

With increase of temperature, the viscosity of liquid and gases

Question # 13

The flow of an ideal fluid is

Question # 14

Which of the following options states the names of fluids in the order of increasing viscosity?

Question # 15

The resistance offered by a fluid to a solid moving inside it is called:

Question # 16

Matter is made up of very tiny particles called

Question # 17

In a normal healthy person the value of systolic pressure is

Question # 18

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

Question # 19

Fluids resist force, This property is called

Question # 20

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 # 21

Unit of viscosity is:

Question # 22

Blood has a density

Question # 23

A flowing liquid possess

Question # 24

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 # 25

Which of the following options correctly states the equation of continuity for an ideal fluid?

Question # 26

Blood pressure is measured in torr. Which of the following units could belong to torr?

Question # 27

The density of water is 103kg/m3. The water pressure on a submarine is 2.0 x 107N/m2. The depth of the submarine below the surface of the water, in maters, is approximately

Question # 28

Surface tension of water is due to

Question # 29

What are the SI base units of the coefficient of viscosity

Question # 30

Pressure exerted by a gas on the walls of its container in due to

Submit

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


Topic Test

00:00
Submit

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

  • M
    Mwaqar Ahmed 15 - Feb - 2023 24 Min 45 Sec 85/120
  • H
    Haider Abbas 08 - Jul - 2023 12 Min 21 Sec 70/120
  • T
    This Account 18 - Jul - 2022 11 Min 33 Sec 60/120
  • W
    Waleed Ahmed 23 - Feb - 2023 15 Min 07 Sec 55/120
  • B
    Bilal 20 - Nov - 2018 20 Min 03 Sec 45/120
  • B
    Bia Raza 12 - Mar - 2023 08 Min 41 Sec 40/120
  • W
    Waseem 02 - Jul - 2022 10 Min 18 Sec 40/120
  • S
    Sameen Fatima 19 - May - 2024 03 Min 27 Sec 25/120
  • A
    Abbu Baker 07 - May - 2024 00 Min 10 Sec 0/120
  • S
    SA Ima 10 - Jul - 2024 02 Min 02 Sec 0/120
  • Q
    qaisar 11 - Jul - 2018 03 Min 39 Sec 0/120
  • A
    Alizar Ali 22 - Jun - 2023 06 Min 32 Sec 0/120

ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 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
2 When there is no internal frictional forces between the adjacent layers of fluid, then the fluid is called
A. incompressible
B. compressible
C. viscous
D. non viscous
3 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:
A. 10-16N
B. 10-14N
C. 10-12N
D. 10-10N
4 If the flow is incompressible and the flow is steady then the mass of the fluid through the pipe
A. increases
B. decreases
C. becomes zero
D. is conserved
5 When each particle of the fluid moves along a smoth path, this path is known as
A. straight path
B. smooth path
C. haphazard path
D. steamline
6 In case of streamed lined flow of liquid, the loss of energy is
A. Maximum
B. Minimum
C. Infinite
D. equal to what is in turbulent flow
7 The pressure will be low where the speed of the fluid is
A. Zero
B. High
C. Low
D. Constant
8 The flow of an ideal fluid is
A. streamline flow
B. incompressible flow
C. non-viscous
D. all of the above
9 Fire fighters have jet attached to the head of their water pipes in order to
A. Increase the mass of water flowing per second
B. Increase the velocity of water flowing out
C. Increase the volume of water flowing per second
D. Avoid wastage of water
10 The velocity of falling raindrop attains limited value because of
A. Up trust of air
B. Viscous force exerted by air
C. Surface tension effect
D. Air currents atmosphere

Test Questions