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	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
2	Viscosity of water is ______ that of air but ___ that of plasma.	A. More, more B. Less, more C. Less, less D. More, less
3	When the speed of a body in a fluid increases then the drag force	A. decreases B. becomes zero C. increases D. non of them
4	If water rises 4 cm in a long, thin tube because of capillary action, then, under corresponding conditions of use, the rise (in the tube) of a liquid whose density is 2 g/cm²will be	A. 1 cm B. 2 cm C. 8 cm D. None
5	The smooth or steady streamline flow is known as	A. laminar flow B. turbulent flow C. both of them D. none of them
6	How much force is required to slide one layer of the liquid over the other layer is measured by	A. friction B. density C. viscosity D. resistivity
7	An object moving through a fluid experiences a retarding force called a	A. frictional force B. terminal force C. opposing force D. drag force
8	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
9	The pressure will change in the pipe, as the fluid moves through that pipe of varying	A. cross-section B. height C. none of them D. both of them
10	The flow of an ideal fluid is	A. streamline flow B. incompressible flow C. non-viscous D. all of the above