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	At high speed, fluid friction _____ and fuel consumption ___,:	A. Increases, decreases B. Increases, increases C. Decreases, increases D. None of these
2	The _____ viscous the medium is _____, is the value of terminal velocity of the droplet:	A. More, lesser B. Lesser, more C. Both A and B D. Lesser, lesser
3	A water hose with an internal diameter of 20 mm at the outlet discharges 30 kg of water in 60 s. What is water speed at the outlet if density of water is 1000 kg/m³during its steady flow	A. 1.3 m/s B. 1.6 m/s C. 1.9 m/s D. 2.2 m/s
4	The value of viscosity of a fluid is dependent on (at constant temperature)	A. the fluid itself B. the fluid and its container C. anything in contact with the fluid D. all of the above
5	The pressure will be low where the speed of the fluid is	A. Zero B. High C. Low D. Constant
6	Bernoulli's equation is important in the field of	A. Electrical circuit B. Magnetism C. Photoelectric effect D. Flow of fluids
7	Bernoulli's equation is based upon law of conversation of	A. mass B. momentum C. Energy D. None
8	According to the Bernoulli's equation, where the speed of the fluid is high, the pressure will be	A. low B. zero C. high D. all of them
9	The direction of the streamlines is the same as the direction of the	A. force B. torque C. velocity D. weight
10	The analysis of fluid motion becomes simplified by using	A. law of conservation B. law of conservation of energy C. both of them D. none of them