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	The un-steady streamline flow is called	A. laminar flow B. turbulent flow C. both of them D. none of them
2	The body passing a viscous medium affected by:	A. One force only B. Two forces only C. Four forces D. None of these
3	What is another name for laminar flow?	A. streamline B. unsteady flow C. turbulent flow D. both (a) and (b)
4	The density of blood is nearly equal to that of	A. mercury B. sodium C. water D. honey
5	Internal friction of fluid is called	A. Surface tension B. Viscosity C. Resistance D. Cohesive force
6	Viscosity of water is ______ that of air but ___ that of plasma.	A. More, more B. Less, more C. Less, less D. More, less
7	Pressure exerted by a gas on the walls of its container in due to	A. adhesion between the gas molecules and the container B. cohesion between the gas molecules and the container C. collision between the gas molecules and the container D. surface tension of the gas
8	An object moving through a fluid experiences a retarding force called a	A. frictional force B. terminal force C. opposing force D. drag force
9	The flow of an ideal fluid is	A. streamline flow B. incompressible flow C. non-viscous D. all of the above
10	When there is no internal frictional forces between the adjacent layers of fluid, then the fluid is called	A. incompressible B. compressible C. viscous D. non viscous