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ECAT Pre General Science Physics Chapter 6 Fluid Dynamics Online Test
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Total Questions30
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Time Allowed30
ECAT Pre General Science Physics Chapter 6 Fluid Dynamics Online Test
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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
In case of streamed lined flow of liquid, the loss of energy is
Question # 3
N s m-2is unit of:
Question # 4
When weight of an object falling freely becomes equal to the drag force, then the body will move with
Question # 5
The product of cross-sectional area of the pipe and the fluid speed at any point along the pipe is called
Question # 6
Terminal velocity is the maximum velocity attained by a spherical droplet when the drag force______the weight of droplet:
Question # 7
During the steady flow, different streamlines
Question # 8
With increase of temperature, the viscosity of liquid and gases
Question # 9
According to Stoke's law, drag force depends on
Question # 10
The _____ viscous the medium is _____, is the value of terminal velocity of the droplet:
Question # 11
The terminal velocity of a small size spherical body of radius R moving in a fluid varies as
Question # 12
The body will move with terminal velocity when it acquires
Question # 13
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:
Question # 14
Bernoulli's equation is important in the field of
Question # 15
The mass of fluid passing through any cross-section per unit time is called
Question # 16
When the velocity of a liquid flowing steadily in a tube increases, its pressure?
Question # 17
A device used to measure the speed of liquid flow is known as
Question # 18
Where the streamlines are very far apart from each other, the pressure will be
Question # 19
Which of the following options states the names of fluids in the order of increasing viscosity?
Question # 20
The SI unit of viscosity is
Question # 21
The maximum drag force on a falling sphere is 9.8 N, it weight is
Question # 22
Blood pressure is measured by the instrument
Question # 23
When a water droplet falling freely through air, the drag force on water droplet increases with th
Question # 24
The unit of viscosity is SI system is:
Question # 25
According to the equation of continuity, when water falls from the tap, it's speed increases and its cross-sectional area
Question # 26
The direction of the streamlines is the same as the direction of the
Question # 27
A person standing near the track of a fast moving train has tendency to fall towards it because of
Question # 28
Rate of flow can be expressed in
Question # 29
The study of fluid in motion basically involves law of conservation of:
Question # 30
Viscosity of water is ______ that of air but ___ that of plasma.
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Biology Chapter 1 - Answers Mode
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Biology Chapter 1 MCQ - PDF
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Download PDF with answers to study online or offline. The PDF cotnains all MCQ questions with answers for Class 10 Biology Chapter 1 - Acids and Liquids. Total questions are 12.
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