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	A high concentration of red blood cells increases its viscosity from	A. 3 - 5 times that of mercury B. 5 - 8 times that of mercury C. 3 - 5 times that of water D. 5 - 8 times that of water
2	The SI unit of viscosity is	A. kg m^-1s^-1 B. kg ms^-1 C. kg m^-1s^-2 D. kg m^-1s
3	If the flow is incompressible and the flow is steady then the mass of the fluid through the pipe	A. increases B. decreases C. becomes zero D. is conserved
4	According to the Bernoulli's theorem the pressure velocity are	A. equal to each other B. proportional to each other C. inversely proportional to each other D. none of them
5	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
6	Fluids resist force, This property is called	A. Stiffness B. Strength C. Ductility D. Elasticity
7	What are the SI base units of the coefficient of viscosity	A. Kg m s^-2 B. kgm² s^-2 C. Kg m s^-1 D. kg m^-1s^-1
8	The application of Bernoulli's equation is	A. Torricelli's theorem B. Venture relation C. Binomial theorem D. Both a and b
9	During the free fall motion of an object, when its weight becomes equal to the drag force, then it will move with	A. maximum speed B. zero speed C. maximum speed D. none of them
10	The irregular and unsteady flow of the fluid is called	A. turbulent flow B. steady flow C. either of them D. both of them