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	Glycerin has viscosity _____ the viscosity of water:	A. More than B. Equal to C. Less than D. None of these
2	Bernoulli's equation is based upon law of conversation	A. Mass B. Momentum C. Energy D. None of these
3	The terminal velocity of a small size spherical body of radius R moving in a fluid varies as	A. R B. R² C. 1/R D. (1/R)²
4	Blood has a density	A. Equal to water B. Greater then water C. Lesser then water D. None of these
5	The direction of the streamlines is the same as the direction of the	A. force B. torque C. velocity D. weight
6	Blood vessels can be stretch like rubber, therefore they are	A. rigid B. hard C. very thick D. not rigid
7	The terminal velocity of water droplet of radius 1 x 10^-4m and desity 1000 kg m^-3descending through air of viscosity 19 x 10^-6kg. m^-1s^-1is	A. 2.5 ms^-1 B. 3.2 ms^-1 C. 4.3 ms^-1 D. 1.1 ms^-1
8	The flow of an ideal fluid is	A. streamline flow B. incompressible flow C. non-viscous D. all of the above
9	Which of the following is a characteristic of an ideal fluid?	A. it is non-viscous B. it is incompressible C. it's motion is steady D. all of the above
10	The SI unit of viscosity is	A. kg m^-1s^-1 B. kg ms^-1 C. kg m^-1s^-2 D. kg m^-1s