ECAT Pre Computer Science Chapter 6 MCQ Test With Answer

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ECAT Physics Chapter 6 Important MCQ's

Sr.#	Question	Answer
1	What are the SI base units of the coefficient of viscosity	A. Kg m s^-2 B. kgm² s^-2 C. Kg m s^-1 D. kg m^-1s^-1
2	If v is the velocity of flow of liquid through a tube of area of cross-section A, then according to equation of continuity	A. v/A = constant B. A/v = constant C. Av = constant D. None
3	Blood has a density	A. Equal to water B. Greater then water C. Lesser then water D. None of these
4	Substances that do not flow easily have	A. large coefficient of viscosity B. small coefficient of viscosity C. either of them D. none of them
5	Fog droplets are suspended in air when their weight is balanced by:	A. Force of gravity B. Upward trust due to air C. Surface tension D. None of these
6	The SI unit of viscosity is	A. kg m^-1s^-1 B. kg ms^-1 C. kg m^-1s^-2 D. kg m^-1s
7	The rain drop falling from the sky reach the ground with	A. Constant terminal velocity B. Constant gravitational acceleration C. Variable acceleration D. acceleration greater than g
8	At low speeds, the drag force is	A. proportional to speed B. inversely proportional to speed C. not simply proportional to speed D. none of them
9	The property of fluids due to which they resist their own flow is called:	A. Drag force B. Surface tension C. Viscosity D. None of these
10	In a _____ flow, each particle of the fluid is called a streamline and different streamlines ______cross each other.	A. Streamline, cannot B. Turbulent, cannot C. Streamline, can D. None of these

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ECAT Pre Computer Science Chapter 6 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 6 Fluid Dynamics

ECAT Physics Chapter 6 Fluid Dynamics

The smooth or steady stream-line flow is know as

When the droplet moves with terminal velocity in a fluid, the net force acting on the droplet is:

Machine parts are jammed due to:

Where the streamlines are very close to each other, the pressure will be

The body passing a viscous medium affected by:

Which of the following has the greatest coefficient of viscosity?

The velocity gained by the fluid in falling through the distance (h1 - h2) under the action of gravity is equal to the speed of the action of gravity is equal to the speed of the

In the case of an incompressible fluid in stead flow the net rate of flow of mass entering one end of the tube of flow is equal to the net rate of flow of mass leaving the other end. This equation is called

Substances that flow easily have

The application of Bernoulli's equation is

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:

Blood pressure is measured by the instrument

Fog droplets are suspended in air when their weight is balanced by:

Bernoulli's equation is important in the field of

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

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

ECAT Physics Chapter 6 Important MCQ's

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The velocity gained by the fluid in falling through the distance (h_{1 - h}_{2) under the action of gravity is equal to the speed of the action of gravity is equal to the speed of the}

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