To avoid fire by spontaneous combustion of coal due ... - Solved MCQs & Answer

A pure drug is administered as a sphere and as a cube. The amount of drug is the same in the two tablets. Assuming that the shape and size do not influence the mass transfer, the ratio of rate of dissolution in water at t = 0 for the cubic to spherical tablet is________?

Ans: 1.24Read →

MCQ #7547

The concentration of water vapour in troposphere, which depends upon the altitude & temperature, varies in the range of zero to ________ percent?

Ans: 4Read →

MCQ #1293

Rate of leaching increases with increasing________?

Ans: TemperatureRead →

MCQ #3379

Prandtl number is the ratio of________?

Ans: Momentum diffusivity to thermal diffusivityRead →