If ‘x’ is the depth of flow in an open channel of large width, then the hydraulic radius is equal to________________?

Related Mcqs:

Erosion and pits formation on the impeller of a centrifugal pump may be due to________________?

A. Cavitation B. Low speed of impeller C. Its operation with delivery valve closed for considerable time after starting the pump D. Off centering of pump with motor...

Pumping of a corrosive liquid is generally preferred to be done by a ______________ pump, as it can be made of a variety of materials including plastics?

A. Piston B. Gear C. Positive displacement D. Sump...

The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10-6m2/s) ?

A. 24000 B. 24 C. 0.24 D. 0.44...

What is the ratio of fluid carrying capacity of two pipes having diameters d1 and d2 respectively ?

A. (d1/d2)0.8 B. (d1/d2)0.5 C. d1/d2 D. (d1/d2)2...

The centre of pressure is_________________?

A. Always below the centroid of the area B. Always above the centroid of the area C. A point on the line of action of the resultant force D. At the centroid of the submerged area...