Ratio of inertial forces to surface tension forces is called the _____________ number?

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Which is the most efficient and best for measuring very small flow rate of gases ?

A. Venturimeter B. Orificemeter C. Rotameter D. Flow nozzle...

Pick out the wrong statement?

A. A fluid mass is free from shearing forces, when it is made to rotate with a uniform velocity B. Newton’s law of viscosity is not applicable to the turbulent flow of fluid with linear velocity distribution C. Laminar flow of viscous liquids is involved in the lubrication of various types of bearings D. Rise … Pick out the wrong statement?Read More...

In a fluidised bed reactor___________________?

A. Temperature gradients are very high B. Temperature is more or less uniform C. Hot spots are formed D. Segregation of the solids occurs...

A liquid is pumped at the rate of 600 litres using 1000 rpm. If the rpm is changed to 1100, the liquid pumped is _____________ litres?

A. 600 B. 660 C. 1.1 D. 60...

Which of the following conditions must be satisfied for lift force to be developed ?

A. The body should be bluff body B. The body should be stream lined C. Circulation around the body is essentially required D. The main stream velocity must approach the velocity of sound in that fluid medium...