ECAT Pre Computer Science Chapter 6 MCQ Test With Answer

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

Sr.#	Question	Answer
1	Bernoulli's equation is based upon law of conversation of	A. mass B. momentum C. Energy D. None
2	The instrument which detects the instant at which external pressure becomes equal to the systolic pressure is	A. stethoscope B. thermometer C. manometer D. barometer
3	The body passing a viscous medium affected by:	A. One force only B. Two forces only C. Four forces D. None of these
4	Unit of viscosity is:	A. Kg m^-1sec^-1 B. N s m^-2 C. J s m^-3 D. All of these
5	In a container having water filled up to a height h, a hole is made in the bottom. The velocity of water flowing out of the hole is	A. Independent of h B. Proportional to h^1/2 C. Proportional to h D. Proportional to h²
6	When a water droplet falling freely through air, the drag force on water droplet increases with th	A. decrease in speed B. increase in speed C. pressure D. none of them
7	Blood has a density	A. Equal to water B. Greater then water C. Lesser then water D. None of these
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	When each particle of the fluid moves along a smoth path, this path is known as	A. straight path B. smooth path C. haphazard path D. steamline
10	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	A. 200 m B. 11000 m C. 2000 m D. 8000 m