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	When the velocity of a liquid flowing steadily in a tube increases, its pressure?	A. Decreases B. Increases C. Remains same D. Zero
2	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
3	The body passing a viscous medium affected by:	A. One force only B. Two forces only C. Four forces D. None of these
4	Blood vessels can be stretch like rubber, therefore they are	A. rigid B. hard C. very thick D. not rigid
5	The smooth or steady stream-line flow is know as	A. Laminar flow B. Turbulent flow C. Both a and b D. None of the above
6	Blood pressure is measured by the instrument	A. stethoscope B. sphygmomanometer C. barometer D. none of them
7	The blood pressure of a person	A. decrease with age B. increase with age C. has no effect with age D. none of them
8	Liquids and gasses have	A. zero viscosity B. non-zero viscosity C. very large viscosity D. very small viscosity
9	Two copper balls of 1 cm and 2 cm in diameter are simultaneously dropped in the same viscous medium. The terminal velocity of bigger ball is:	A. Not affected due to its size B. Twice that of small size ball C. Four times that of small size ball D. 1/4th of that of small size ball
10	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