Viscosity of water is about _____________ times that of air at room temperature?

Related Mcqs:

Stoke’s equation is valid in the Reynolds number range__________________?

A. 0.01 to 0.1 B. 0.1 to 2 C. 2 to 10 D. 10 to 100...

What is the shear rate at the pipe wall, in case of laminar flow of Newtonian fluids in a pipe of diameter ‘D’ & length ‘L’ incurring a pressure drop ‘Δp’ with average velocity ‘Vavg’ ?

A. D Δp/8L B. D Δp/4L C. 8 Vavg/D D. 4 Vavg/D...

Which of the following is a Newtonian fluid ?

A. Rubber latex B. Sewage sludge C. Quicksand D. Non-colloidal solution...

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...

The blades of a centrifugal impeller are said to be curved forward, if the ____________ of the motion of impeller blades?

A. Inlet tip of a blade curves in a direction opposite to that B. Outlet tip of a blade curves in a direction opposite to that C. Inlet tip of a blade is towards the direction D. Outlet tip of a blade is towards the direction...