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	The un-steady streamline flow is called	A. laminar flow B. turbulent flow C. both of them D. none of them
2	Surface tension of water is due to	A. Inter molecular attractions B. Inter molecular spaces C. Inter molecular repulsion D. None of above
3	A device used to measure the speed of liquid flow is known as	A. barometer B. speedometer C. sphygmomanometer D. venture-meter
4	When a fluid is in motion, its flow can be considered as	A. turbulent B. streamline C. either or them D. neither of them
5	Bernoulli's equation is applicable for	A. turbulent flow B. streamline flow C. both (a) and (b) D. all kinds of flows
6	Pressure exerted by a gas on the walls of its container in due to	A. adhesion between the gas molecules and the container B. cohesion between the gas molecules and the container C. collision between the gas molecules and the container D. surface tension of the gas
7	The law of conservation of energy gives us	A. equation of continuity B. Bernoulli's theorem C. both of them D. none of them
8	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
9	What are the SI base units of the coefficient of viscosity	A. Kg m s^-2 B. kgm² s^-2 C. Kg m s^-1 D. kg m^-1s^-1
10	Substances that flow easily have	A. large coefficient of viscosity B. small coefficient of viscosity C. either of them D. none of them