Pick out the wrong statement?

Stoichiometry 04/08/2020

A. Refractories used in muffle furnace should have low thermal conductivity
B. The electrical resistivity of refractories drops rapidly with rise in temperature
C. For reducing spalling tendency, the refractory should be well fired and its porosity should be more
D. Refractoriness under load (RUL) of a refractory is always less than its refractoriness

Related Mcqs:

    Which is a neutral refractory ?
    A. Graphite B. Magnesite chrome C. Silica D. Magnesia...
    Heat of neutralisation of a strong acid and strong base is always a constant value, i.e., 57 KJ/Kg mole. This is because_________________?
    A. The strong base and strong acid reacts completely B. The salt formed does not hydrolyse C. Only OH- and H+ ions react in every case D. The strong base and strong acid reacts in aqueous solution...
    6 gms of magnesium (atomic weight = 24), reacts with excess of an acid, the amount of H2 produced will be ______________ gm?
    A. 0.5 B. 1 C. 3 D. 5...
    Which of the following has the least (almost negligible) effect on the solubility of a solute in a solvent ?
    A. Temperature B. Nature of solute C. Pressure D. Nature of solvent...
    The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be _____________ times?
    A. 1/2 B. 4 C. √2 D. 1/4...

Leave a Reply

Your email address will not be published. Required fields are marked *