ECAT Pre Computer Science Chapter 6 online mcq test with answers for Physics chapter 6 (Fluid Dynamics)

ECAT Physics Chapter 6 Fluid Dynamics Online Test

Sr. #	Questions	Answers Choice
1	Surface tension of water is due to	Inter molecular attractions Inter molecular spaces Inter molecular repulsion None of above
2	Bernoulli's equation is based upon law of conversation	Mass Momentum Energy None of these
3	The terminal velocity of a small size spherical body of radius R moving in a fluid varies as	R R<sup>2</sup> 1/R (1/R)<sup>2</sup>
4	The velocity of falling raindrops attains limited value because of	Up thrust of air Air currents of the earth atmosphere Surface tension effect Viscous force exerted by air
5	In Bernoulli's theorem the relation between velocity and pressure is	Inverse Direct None of the above Both a and b
6	In the case of an incompressible fluid in stead flow the net rate of flow of mass entering one end of the tube of flow is equal to the net rate of flow of mass leaving the other end. This equation is called	Quadratic equation Equation of discontinuity Equation of continuity None of the above
7	The smooth or steady stream-line flow is know as	Laminar flow Turbulent flow Both a and b None of the above
8	With the increase of temperature viscosity	Increase Decrease Remains same Doubles
9	The application of Bernoulli's equation is	Torricelli's theorem Venture relation Binomial theorem Both a and b
10	Bernoulli's equation is important in the field of	Electrical circuit Magnetism Photoelectric effect Flow of fluids
11	Bernoulli's equation is based upon law of conservation	Mass Momentum Energy None of these
12	With increase of temperature, the viscosity of liquid and gases	Increases for both Decreases for both Increases for liquids and decreases for gases Decreases for liquids and increases for gases
13	The velocity of falling raindrop attains limited value because of	Up trust of air Viscous force exerted by air Surface tension effect Air currents atmosphere
14	The SI unit of viscosity is	kg m<sup>-1</sup>s<sup>-1</sup> kg ms<sup>-1</sup> kg m<sup>-1</sup>s<sup>-2</sup> kg m<sup>-1</sup>s
15	Matter is made up of very tiny particles called	Atoms Molecules Ions None of these

Download This Set