ECAT Pre Engineering Physics Chapter 6 MCQ Test With Answer

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

Sr.#	Question	Answer
1	Internal friction of fluid is called	A. Surface tension B. Viscosity C. Resistance D. Cohesive force
2	Blood has a density	A. Equal to water B. Greater then water C. Lesser then water D. None of these
3	The _____ viscous the medium is _____, is the value of terminal velocity of the droplet:	A. More, lesser B. Lesser, more C. Both A and B D. Lesser, lesser
4	The direction of the streamlines is the same as the direction of the	A. force B. torque C. velocity D. weight
5	The maximum drag force on a falling sphere is 9.8 N, it weight is	A. 1 N B. 9.8 N C. 4.9 N D. Cannot be calculated
6	The fluid which is incompressible and non viscous is called	A. Ideal fluid B. Non-ideal fluid C. Prefect fluid D. All
7	Terminal velocity is the maximum velocity attained by a spherical droplet when the drag force______the weight of droplet:	A. Is smaller than B. Is greater than C. Becomes equal to D. None of these
8	Blood is an	A. Compressible fluid B. incompressible fluid C. hard D. none of them
9	The term Brownian movement refers to	A. irregular motions of small particles suspended in a fluid B. convection currents in a liquid or gas C. convection currents in a gas but not in a liquid D. the stretching of a body beyond its elastic limit
10	Blood vessels can be stretch like rubber, therefore they are	A. rigid B. hard C. very thick D. not rigid