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	With increase of temperature, the viscosity of liquid and gases	A. Increases for both B. Decreases for both C. Increases for liquids and decreases for gases D. Decreases for liquids and increases for gases
2	When the different streamlines cannot cross each other, then this condition is known as	A. continuity condition B. turbulent flow condition C. steady flow condition D. none of them
3	Machine parts are jammed due to:	A. Increasing in viscosity of lubricant B. Decreasing in viscosity of lubricant C. Decreasing in surface tension of lubricant D. None of these
4	Surface tension of water is due to	A. Inter molecular attractions B. Inter molecular spaces C. Inter molecular repulsion D. None of above
5	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
6	Bernoulli's equation is applicable for	A. turbulent flow B. streamline flow C. both (a) and (b) D. all kinds of flows
7	Under normal circumstances, the volume of blood is sufficient to keep the vessels	A. flatted for all times B. inflated for all times C. inflated for small times D. none of them
8	The body passing a viscous medium affected by:	A. One force only B. Two forces only C. Four forces D. None of these
9	The product of cross-sectional area of the pipe and the fluid speed at any pint along the pipe is	A. very high B. very low C. constant D. zero
10	The value for systolic blood pressure for a normal healthy person is	A. 140 torr B. 80 torr C. 90 torr D. 120 torr

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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

Substances that do not flow easily have

The resistance offered by a fluid to a solid moving inside it is called:

With increase of temperature, the viscosity of liquid and gases

The terminal velocity of a small size spherical body of radius R moving in a fluid varies as

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

When a water droplet falls through air, the net force on it 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 density of blood is nearly equal to that of

A massive object falls through a fluid:

In deriving the Bernoulli's equation, we assume that the fluid is

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

The law of conservation of energy gives us

In a _____ flow, each particle of the fluid is called a streamline and different streamlines ______cross each other.

With the increase of temperature viscosity

Surface tension of water is due to

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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:

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

In a _ flow, each particle of the fluid is called a streamline and different streamlines __cross each other.