ECAT Pre Engineering Physics Chapter 6 MCQ Test With Answer

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

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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	Matter is made up of very tiny particles called	A. Atoms B. Molecules C. Ions D. None of these
3	A flowing liquid possess	A. K.E B. P.E C. Pressure Energy D. All
4	A body is floating in a liquid. The up thrust on the body is	A. Equal to weight of liquid displaced B. Zero C. Less than the weight of liquid displaced D. Weight of body-weight of liquid displaced
5	A tube is tapered from 20 cm diameter to 2 cm diameter, the velocity at the first cross-section is 50 cm/s, then the velocity at the second cross-section is	A. 50 m/s B. 20 m/s C. 40 cm/s D. 5 cm/s
6	Liquids and gasses have	A. zero viscosity B. non-zero viscosity C. very large viscosity D. very small viscosity
7	Where the streamlines are very far apart from each other, the pressure will be	A. low B. zero C. high D. all of them
8	The SI unit of viscosity is	A. kg m^-1s^-1 B. kg ms^-1 C. kg m^-1s^-2 D. kg m^-1s
9	When the droplet moves with terminal velocity in a fluid, the net force acting on the droplet is:	A. F_D-mg B. Zero C. mg-F_D D. None of these
10	The electrical forces between the molecules of a liquid are	A. Repulsive B. Attractive C. Both A and B D. None

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ECAT Pre Engineering Physics Chapter 6 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics

Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics

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

Where the streamlines are very far apart from each other, the pressure will be

At the starting point of the free fall motion of an object, its acceleration will be

Viscosity of water is ______ that of air but ___ that of plasma.

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

The smooth or steady streamline flow is known as

During the steady flow, different streamlines

Which of the following options correctly states the equation of continuity for an ideal fluid?

The dimensions of viscosity are:

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

According to slok's law, drag force depends on

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

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

Unit of viscosity is:

If v is the velocity of flow of liquid through a tube of area of cross-section A, then according to equation of continuity

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

ECAT Physics Chapter 6 Important MCQ's

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

Viscosity of water is ____ that of air but _ that of plasma.

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

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}