Mechanical Engineering:: Hydraulics and Fluid Mechanics

Which of the following has the minimum atomic mass?

A. Oxygen B. Sulphur
C. Nitrogen D. Carbon

Which of the following is the lightest and most volatile liquid fuel?

A. Gasoline B. Kerosene
C. Fuel oil

Water gas is obtained by passing air and a large amount of steam over waste coal at about 650°C.

A. Correct B. Incorrect

If an incompressible liquid is continuously flowing through a pipe, the quantity of liquid passing per second is different at different sections.

A. True B. False

A flow in which __________ force is dominating over the viscosity is called turbulent flow.

A. elastic B. surface tension
C. viscous D. inertia

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