Refractories used in/for ______________ should have low thermal conductivity?

Related Mcqs:

Methane is mixed with stoichiometric proportion of oxygen and completely combusted. The number of additional specifications required to determine the product flow rate and composition is_______________?

A. 0 B. 1 C. 2 D. 3...

Beryllia (which is used in making crucibles for melting uranium & thorium) is superior to alumina in all respects for high temperature (> 1900°C ) use, except______________?

A. Cost B. Electrical conductivity C. Thermal conductivity D. Fusion point...

Pick out the wrong conversion formula for the conversion of weight units ?

A. 1 tonne = 1000 kg = 22.046 lbs B. 1 U.S. ton = 907 kg = 0.907 tonne = 0.893 ton C. 1 ton = 2240 lbs = 1016 kg = 1.016 tonnes = 1.12 U.S. tons D. None of these...

Which of the following is not a unit of kinematic viscosity ?

A. Poise B. Stoke C. cm2/second D. None of these...

1 torr is equal to ______________ mm Hg column?

A. 1 B. 0.1 C. 10 D. 1000...