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

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ECAT Physics Chapter 6 Fluid Dynamics

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Question # 1

A flowing liquid possess

Question # 2

The application of Bernoulli's equation is

Question # 3

One torr is equal to

Question # 4

The density of blood is nearly equal to that of

Question # 5

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 # 6

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

Question # 7

The velocity of falling raindrop attains limited value because of

Question # 8

Stock's law holds for:

Question # 9

Substances that flow easily have

Question # 10

According to the equation of continuity, when water falls from the tap, it's speed increases and its cross-sectional area

Question # 11

A massive object falls through a fluid:

Question # 12

Fire fighters have a jet attached to the head of their water pipes in order to head of their water pipes in order to

Question # 13

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

Question # 14

The body passing a viscous medium affected by:

Question # 15

The blood pressure of a person

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The unit of viscosity is SI system is:
A. Kg-1m sec-1
B. Kgm-1 sec-1
C. Kg-1m-1 sec
D. None of these
2 In a normal healthy person the value of diastolic pressure is
A. 75 - 80 torr
B. 100 torr
C. 120 torr
D. none of them
3 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
A. 0.1 m
B. 0.2 m
C. 0.98 m
D. Full length of the capillary tube
4 The terminal velocity of a small size spherical body of radius R moving in a fluid varies as
A. R
B. R2
C. 1/R
D. (1/R)2
5 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
6 A water hose with an internal diameter of 20 mm at the outlet discharges 30 kg of water in 60 s. What is water speed at the outlet if density of water is 1000 kg/m3during its steady flow
A. 1.3 m/s
B. 1.6 m/s
C. 1.9 m/s
D. 2.2 m/s
7 Blood pressure is measured by the instrument
A. stethoscope
B. sphygmomanometer
C. barometer
D. none of them
8 The value for systolic blood pressure for a normal healthy person is
A. 140 torr
B. 80 torr
C. 90 torr
D. 120 torr
9 Which of the following options correctly states the equation of continuity for an ideal fluid?
A. A1A2= V1V2
B. A1/A2= V2/V1
C. A1/A2= V1/V2
D. none of the above
10 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

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