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

Related Mcqs:

For a given Reynold number as d/D for an orifice increases, Cd will (where, d & D are orifice & pipe diameters respectively)?

A. Increase B. Decrease C. Remain constant D. Either A. or B.; depends on other factors...

In turbulent flow, a rough pipe has the same friction factor as a smooth pipe____________________?

A. In the zone of complete turbulence B. When the roughness projections are much smaller than the thickness of the laminar film C. Everywhere in the transition zone D. When the friction factor is independent of the Reynold’s number...

Euler’s equation of motion states, that at every point, the_________________?

A. Fluid momentum is constant B. Force per unit mass equals acceleration C. Rate of mass outflow is equal to the rate of mass inflow D. None of these...

A spherical particle is falling slow in a viscous liquid such that Reynolds number is less than 1. Which statement is correct for this situation ?

A. Inertial and drag forces are important B. Drag, gravitational and buoyancy forces are important C. Drag force and gravitational forces are important D. None of the above...

Which of the following is not dimension-less ?

A. Froude number B. Kinematic viscosity C. Pressure co-efficient D. None of these...