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	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
2	The effect of friction between different layers of a flowing fluid is described in terms of	A. motion of fluid B. nature of fluid C. colour of fluid D. viscosity of fluid
3	The law of conservation of mass gives us the	A. equation of continuity B. Bernoulli's theorem C. both of them D. none of them
4	A person standing near the track of a fast moving train has tendency to fall towards it because of	A. Vibration due to motion of train B. Gravitation force of attraction between person and trains C. The high speed of train D. Some other effect
5	Two water pipes of diameters 4 cm and 8 cm are connected with a supply line. The velocity of flow of water in the pipe 4 cm diameter is	A. 1/4 times B. 4 times C. Twice D. 1/2 of 8 cm diameter pipe
6	Unit of viscosity is:	A. Kg m^-1sec^-1 B. N s m^-2 C. J s m^-3 D. All of these
7	The SI unit of viscosity is	A. kg m^-1s^-1 B. kg ms^-1 C. kg m^-1s^-2 D. kg m^-1s
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	The application of Bernoulli's equation is	A. Torricelli's theorem B. Venture relation C. Binomial theorem D. Both a and b
10	According to Stoke's law, drag force depends on	A. Initial velocity B. Final velocity C. Terminal velocity D. Instantaneous velocity

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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

In case of streamed lined flow of liquid, the loss of energy is

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

Density of fluid is defined as:

Rate of flow can be expressed in

Bernoulli's equation is based upon law of conversation

The electrical forces between the molecules of a liquid are

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

The drag force acting on a spherical droplet of radius 10-5m moving with a velocity of 1 cm/sec in a fluid of velocity 5.31 x 10-7m/sec. The units comes out to be:

The internal pressure of the blood is

At low speeds, the drag force is

Surface tension of water is due to

Blood pressure is measured in torr. Which of the following units could belong to torr?

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:

When there is no internal frictional forces between the adjacent layers of fluid, then the fluid is called

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

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

ECAT Physics Chapter 6 Important MCQ's

Test Questions

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

The drag force acting on a spherical droplet of radius 10^-5m moving with a velocity of 1 cm/sec in a fluid of velocity 5.31 x 10^-7m/sec. The units comes out to be: