Average molecular weight of air is about ____________________?

Related Mcqs:

Silica bricks are never used for lining the_________________?

A. Beehive coke ovens B. By-product coke ovens C. Dome of blast furnace stoves D. Roof of open hearth furnace...

“The total volume occupied by a gaseous mixture is equal to the sum of the pure component volumes”. This is the _____________ law?

A. Dalton’s B. Amagat’s C. Gay-Lussac’s D. Avogadro’s...

With increase in temperature, the surface tension of water _____________________?

A. Increases B. Decreases C. Remain constant D. Increases linearly...

A gaseous mixture contains 14 kg of N2, 16 kg of O2 and 17 kg of NH3. The mole fraction of oxygen is__________________?

A. 0.16 B. 0.33 C. 0.66 D. 0.47...

A butane isomerisation process produces 70 k.mole/hr of pure iso-butane. A purge stream removed continuously, contains 85% n-butane and 15% impurity (mole%). The feed stream is n-butane containing 1% impurity (mole%). The flow rate of the purge stream will be_________________?

A. 3 kmole/hr B. 4 kmole/hr C. 5 kmole/hr D. 6 kmole/hr...