What is the value of ‘q’ for saturated liquid feed to a distillation column ?

Related Mcqs:

1. Pyrometric cone equivalent (PCE) value (Segar cone) of ‘Superduty refractories’ is more than 33 which corresponds to a temperature of _____________ °C?

   A. 1520
   B. 1630
   C. 1670
   D. 1730

2. PCE value (Segar cone) of Superduty refractories is more than 33, which is equivalent to a temperature of ____________ °C?

   A. 1520
   B. 1630
   C. 1670
   D. 1730

3. Maximum shrinkage in volume occurring during burning/firing of dried refractories may be as high as ______________ percent?

   A. 10
   B. 15
   C. 20
   D. 30

4. Silica bricks are attacked by basic slags at high temperature. Which of the following is not used solely as a binding material ?

   A. Aluminium phosphate
   B. Water
   C. Lime
   D. Plaster of Paris

5. Except _____________, all other refractories are bad conductors of electricity (i.e, have low electrical conductivity)?

   A. Fireclay
   B. Carborundum
   C. Graphite
   D. Chromite

6. Thermal diffusivity of a refractory brick is high, when its ____________ is high?

   A. Density
   B. Specific heat
   C. Thermal conductivity
   D. None of these

7. Sillimanite (Al2O3.SiO2) refractory, which is a neutral refractory, is not used in________________?

   A. Pottery furnace
   B. Glass melting furnace
   C. Crucibles
   D. Gas retorts

8. With increasing alumina content, the fusion point of high alumina refractories__________________?

   A. Increases
   B. Decreases
   C. Remain constant
   D. May increase or decrease; depends on its alumina content

9. Slide gates in teeming laddie used for steel pouring in ingot moulds is lined with _____________ bricks?

   A. Bakelite impregnated or fused periclase
   B. Silica
   C. Semi-silica
   D. Fireclay

10. Addition of zircon to silica refractory brick improves its_____________________?

    A. Crushing strength
    B. Resistance to slag attack
    C. Both A. and B.
    D. Neither A. nor B.