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Top Scorers Of ECAT Physics Chapter 6 Fluid Dynamics MCQ`s Test

Sr.#	Question	Answer
1	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
2	The SI unit of viscosity is	A. kg m^-1s^-1 B. kg ms^-1 C. kg m^-1s^-2 D. kg m^-1s
3	Where the streamlines are very far apart from each other, the pressure will be	A. low B. zero C. high D. all of them
4	The smooth or steady streamline flow is known as	A. laminar flow B. turbulent flow C. both of them D. none of them
5	A container has a small hole in the bottom. Air can go through this hole,but water cannot. This can be best explained by the statement that	A. water contains hydrogen atoms, air does not B. water molecules are smaller than molecules in the air C. water molecules are smaller than molecules in the air D. surface tension of the water prevents it from
6	The application of Bernoulli's equation is	A. Torricelli's theorem B. Venture relation C. Binomial theorem D. Both a and b
7	Deep water almost runs still when surface water flow in rivers. What does it explains	A. Magnus effect B. Equation of continuity C. Surface energy D. Bernoulli's equation
8	N s m^-2is unit of:	A. Drag force B. Pressure C. Surface tension D. Coefficient of viscosity
9	Bernoulli's equation is based upon law of conversation of	A. mass B. momentum C. Energy D. None
10	The equation of continuity is	A. A₁A_{2 = V}₁V₂ B. A_1/_V_{1 =}A_2/V₂ C. _V_1/A₁₌V_2/A₂ D. A₁_V_{1 =}A₂V₂