Magnesite refractories are generally not used in the__________________?

Related Mcqs:

The density of a liquid is 1500 kg/m3. Its value in gin/litre will be equal to________________?

A. 1.5 B. 15 C. 150 D. 1500...

Magnesite refractories are used for the construction of those furnaces, which are_______________?

A. Not required to resist the corrosive action of basic slag B. Not subjected to fluctuation in temperature C. Used for raising & maintaining high temperature D. Both B. and C....

A long cylinder and a sphere both of 5 cms diameter are made from the same porous material. The flat ends of cylinder are sealed. Both the cylinder and sphere are saturated with the same solution of sodium chloride. Later both the objects are immersed for a short and equal interval of time in a large tank of water which is well agitated. The fraction of salt remaining in the cylinder and the sphere are Xc and Xs respectively. Which of the following statement is correct ?

A. Xc > Xs B. Xc = Xs C. Xc < Xs D. Xc greater/less than Xs depending on the length of the cylinder...

Average molecular weight of air is about ____________________?

A. 21 B. 29 C. 23 D. 79...

In a neutral solution _________________?

A. H+ ions are absent B. OH- ions are absent C. Both H+ and OH- ions are present in very small but equal concentration D. None of these...