Test piece for determination of RUL of a refractory is heated in a/an__________________?

Related Mcqs:

Enthalpy of formation of NH3 is – 46 kJ/kg mole. The enthalpy change for the gaseous reaction, 2NH3 → N2 + 3H2, is equal to _____________ kJ/kg. mole?

A. 46 B. 92 C. -23 D. -92...

The activity co-efficient of a solution, which accounts for the departure of liquid phase from ideal solution behaviour________________?

A. Measures the elevation in boiling point B. Is not dependent on the temperature C. Is a function of the liquid phase composition D. Measures the depression in freezing point...

Osmotic pressure exerted by a solution prepared by dissolving one gram mole of a solute in 22.4 litres of a solvent at 0°C will be _______________ atmosphere?

A. 0.5 B. 1 C. 1.5 D. 2...

Pick out the wrong unit conversion ?

A. 1 atm. = 760 mm Hg = 29.92 inch Hg = 14.7 psi = 1.013 bar = 1.013 kgf/cm2 B. 1 kPa = 100 bar C. 1 mm Hg = 1 torr = 133.3 Pa D. None of these...

pH value of a solution containing equal concentration of hydroxyl and hydrogen ions will be_________________?

A. 0 B. 10 C. 7 D. 14...