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	During the steady flow, different streamlines	A. cannot across each other B. can across each other C. either of them D. neither of them
2	Above a certain velocity of a fluid is called	A. turbulent flow B. steady flow C. either of them D. both of them
3	High speed meteors rushing through air reduces to ashes because of:	A. Force of gravity B. High resistance of air C. Drag force D. None of these
4	Matter is made up of very tiny particles called	A. Atoms B. Molecules C. Ions D. None of these
5	If one of the pipes has a much smaller diameter than the other and are placed horizontally then form both sides of Bernoulli's equation, we can drop the term	A. P B. 1/2 fv² C. pgh 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	Stoke;s law is not applicable when the speed of the object moving through a fluid is:	A. Zero B. Small C. Large D. None of these
8	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
9	Surface tension of water is due to	A. Inter molecular attractions B. Inter molecular spaces C. Inter molecular repulsion D. None of above
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