ECAT Pre Computer Science Chapter 6 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 6 Fluid Dynamics

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ECAT Physics Chapter 6 Fluid Dynamics

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Question # 1

The instrument which detects the instant at which external pressure becomes equal to the systolic pressure is

Question # 2

Blood pressure is measured by the instrument

Question # 3

Liquids and gasses have

Question # 4

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

Question # 5

A body is moving through a viscous medium eventually comes to rest because of:

Question # 6

At high altitude the blood oozes out of the nose and ear because

Question # 7

The fluid is incompressible, if itsdensity is

Question # 8

At high speed, fluid friction _____ and fuel consumption ___,:

Question # 9

Blood has a density

Question # 10

According to the Bernoulli's equation, where the speed of the fluid is high, the pressure will be

Question # 11

According to the Bernoulli's theorem the pressure velocity are

Question # 12

Ball pen functions on the principle of

Question # 13

Density of fluid is defined as:

Question # 14

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

Question # 15

In a surface tension experiment with a capillary tube water rises up to 0.1 m. if the same experiment is repeated on an artificial satellite, which is resolving around the earth, water will rise in the capillary tube up to a height of

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The application of Bernoulli's equation is
A. Torricelli's theorem
B. Venture relation
C. Binomial theorem
D. Both a and b
2 Where the streamlines are very close to each other, the pressure will be
A. low
B. zero
C. high
D. all of them
3 N s m-2is unit of:
A. Drag force
B. Pressure
C. Surface tension
D. Coefficient of viscosity
4 Bernoulli's equation is applicable for
A. turbulent flow
B. streamline flow
C. both (a) and (b)
D. all kinds of flows
5 One torr is equal to
A. 13.33 N/m2
B. 760 N/m2
C. 760 mm Hg
D. 133.3 N/m2
6 Blood vessels can be stretch like rubber, therefore they are
A. rigid
B. hard
C. very thick
D. not rigid
7 When weight of an object falling freely becomes equal to the drag force, then the body will move with
A. increasing speed
B. decreasing speed
C. constant speed
D. none of them
8 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
9 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
10 The un-steady streamline flow is called
A. laminar flow
B. turbulent flow
C. both of them
D. none of them

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