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	Glycerin has viscosity _____ the viscosity of water:	A. More than B. Equal to C. Less than D. None of these
2	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
3	Viscosity of water is ______ that of air but ___ that of plasma.	A. More, more B. Less, more C. Less, less D. More, less
4	Matter is made up of very tiny particles called	A. Atoms B. Molecules C. Ions D. None of these
5	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
6	The body will move with terminal velocity when it acquires	A. minimum speed B. zero speed C. maximum speed D. none of them
7	Bernoulli's equation is the fundamental equation in fluid dynamics, which relates pressure to fluid	A. speed B. height C. none of them D. both of them
8	The velocity of falling raindrop attains limited value because of	A. Up trust of air B. Viscous force exerted by air C. Surface tension effect D. Air currents atmosphere
9	Above a certain velocity of a fluid is called	A. turbulent flow B. steady flow C. either of them D. both of them
10	Drag force increases if speed of the object moving through the fluid:	A. Increases B. Decreases C. Remains constant D. None of these