For a turbine agitated and baffled tank, operating at low Reynold’s number (based on impeller diameter), the power number (Np) varies with NRe as_________________?

Related Mcqs:

Which of the following gives the crushing energy required to create new surface ?

A. Taggarts rule B. Fick’s law C. Rittinger’s Law D. None of these...

Which of the following size reduction equipments employs mainly attrition for ultrafine grinding ?

A. Jet mills B. Fluid energy mill C. Micronizer D. All A., B. and C....

Bond crushing law_________________?

A. Calls for relatively less energy for the smaller product particles, than does the Rittinger law B. Is less realistic in estimating the power requirements of commercial crushers C. States that the work required to form particle of any size from very large feed is proportional to the square root of the volume to surface … Bond crushing law_________________?Read More...

Maximum size reduction in a ball mill is done by the, ______________ action?

A. Attrition B. Compression C. Impact D. Cutting...

The opening of a 200 mesh screen (Taylor series) is__________________?

A. 0.0074 cm B. 0.0074 mm C. 0.0047 cm D. 74 milli-microns...