Which of the following assumption is made in Bernoulli’s equation? a. The flow is incompressible b. The flow is compressible c. The flow velocity is zero d. The flow is unsteady ________________ When the fluid at rest the shear stress is zero Select one: True False In a manometer, mercury is replaced by water, the height of 10 cm of mercury will be 136 cm height of water. Select one: True False _ Which of the following principal states that, the total energy in any one energy system remains constant? a. Conservation of mass b. Conservation of force c. Conservation of momentum d. Conservation of energy Which of the following is unsteady flow? a. The flow in which fluid characteristics at a point is different at different time. b. The flow in which fluid characteristics at a point do not change with respect to time c. The flow in which fluid characteristics at a point change with respect to time d. The flow in which fluid characteristics at a point same at all the points. ___ The pressure at a point in a static fluid is not equal in all directions. Select one: True False _ The viscosity of liquids is appreciably affected by a change in pressure Select one: True False _ The pressure measured with the help of a pressure gauge is called atmospheric pressure. Select one: True False __________________ Which of the following factor independent of kinematic viscosity? a. Volume b. Speed c. Mass d. Density

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Which of the following assumption is made in Bernoulli’s equation? a. The flow is incompressible b. The flow is compressible c. The flow velocity is zero d. The flow is unsteady ____________________________________ When the fluid at rest the shear stress is zero Select one: True False ______________________________________ In a manometer, mercury is replaced by water, the height of 10 cm of mercury will be 136 cm height of water. Select one: True False _______________________________________ Which of the following principal states that, the total energy in any one energy system remains constant? a. Conservation of mass b. Conservation of force c. Conservation of momentum d. Conservation of energy ______________________________________ Which of the following is unsteady flow? a. The flow in which fluid characteristics at a point is different at different time. b. The flow in which fluid characteristics at a point do not change with respect to time c. The flow in which fluid characteristics at a point change with respect to time d. The flow in which fluid characteristics at a point same at all the points. _________________________________________ The pressure at a point in a static fluid is not equal in all directions. Select one: True False _______________________________________ The viscosity of liquids is appreciably affected by a change in pressure Select one: True False _________________________________________ The pressure measured with the help of a pressure gauge is called atmospheric pressure. Select one: True False ________________________________________ Which of the following factor independent of kinematic viscosity? a. Volume b. Speed c. Mass d. Density

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