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	Bernoulli's equation is based upon law of conservation	A. Mass B. Momentum C. Energy D. None of these
2	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
3	A body is moving through a viscous medium eventually comes to rest because of:	A. Force of gravity B. Force of friction C. Its weight D. Both A and C
4	The SI unit of viscosity is	A. kg m^-1s^-1 B. kg ms^-1 C. kg m^-1s^-2 D. kg m^-1s
5	A person standing near the track of a fast moving train has tendency to fall towards it because of	A. Vibration due to motion of train B. Gravitation force of attraction between person and trains C. The high speed of train D. Some other effect
6	When a fluid is in motion, its flow can be considered as	A. turbulent B. streamline C. either or them D. neither of them
7	Where the streamlines are very close to each other, the pressure will be	A. low B. zero C. high D. all of them
8	Viscosity of water is ______ that of air but ___ that of plasma.	A. More, more B. Less, more C. Less, less D. More, less
9	Drag force increases if speed of the object moving through the fluid:	A. Increases B. Decreases C. Remains constant D. None of these
10	The density of blood is nearly equal to that of	A. mercury B. sodium C. water D. honey