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

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Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics

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Question # 1

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

Question # 2

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

Question # 3

A high concentration of red blood cells increases its viscosity from

Question # 4

The analysis of fluid motion becomes simplified by using

Question # 5

Blood is an

Question # 6

The body passing a viscous medium affected by:

Question # 7

Under normal circumstances, the volume of blood is sufficient to keep the vessels

Question # 8

The application of Bernoulli's equation is

Question # 9

With the increase of temperature viscosity

Question # 10

At low speeds, the drag force is

Question # 11

An object moving through a fluid experiences a retarding force called a

Question # 12

Blood pressure is measured by the instrument

Question # 13

Fluid friction is _____ the friction between two solid surfaces:

Question # 14

When a fluid is in motion, its flow can be considered as

Question # 15

Liquids and gasses have

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 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
2 Which of the following has the greatest coefficient of viscosity?
A. water
B. gasoline
C. honey
D. tar
3 Where the streamlines are very far apart from each other, the pressure will be
A. low
B. zero
C. high
D. all of them
4 What is another name for laminar flow?
A. streamline
B. unsteady flow
C. turbulent flow
D. both (a) and (b)
5 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:
A. Not affected due to its size
B. Twice that of small size ball
C. Four times that of small size ball
D. 1/4th of that of small size ball
6 Fire fighters have a jet attached to the head of their water pipes in order to head of their water pipes in order to
A. Increase the mass of water flowing per second
B. Avoid wastage of water
C. Increase the velocity of water flowing out
D. Increase the volume of water flowing per second
7 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
A. 1 cm
B. 2 cm
C. 8 cm
D. None
8 The dimensions of viscosity are:
A. M2L-1T-2
B. M-1L1T-1
C. M-1L-1T
D. ML-1T-1
9 The resistance offered by a fluid to a solid moving inside it is called:
A. Drag force
B. Surface force
C. Viscosity
D. None of these
10 At high speed, fluid friction _____ and fuel consumption ___,:
A. Increases, decreases
B. Increases, increases
C. Decreases, increases
D. None of these

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