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	The velocity gained by the fluid in falling through the distance (h_{1 - h}_{2) under the action of gravity is equal to the speed of the action of gravity is equal to the speed of the}	A. orifices B. efflux C. fluid D. none of them
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 a fluid is in motion, its flow can be considered as	A. turbulent B. streamline C. either or them D. neither of them
4	The density of blood is nearly equal to that of	A. mercury B. sodium C. water D. honey
5	The unit of viscosity is SI system is:	A. Kg^-1m sec^-1 B. Kgm^-1 sec^-1 C. Kg^-1m^-1 sec D. None of these
6	Bernoulli's equation is important in the field of	A. Electrical circuit B. Magnetism C. Photoelectric effect D. Flow of fluids
7	The maximum drag force on a falling sphere is 9.8 N, it weight is	A. 1 N B. 9.8 N C. 4.9 N D. Cannot be calculated
8	Fluids have three types of energies. The Bernoulli's equation combines those energies.which of the following is one of the three enrgies possessed by a fluid?	A. potential energy B. pressure energy C. strain energy D. (a) and (b) only
9	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
10	Blood vessels can be stretch like rubber, therefore they are	A. rigid B. hard C. very thick D. not rigid