Stoichiometry

11. 'Cox' chart which is useful in the design of a distillation column (particularly suitable for petroleum hydrocarbons) is a plot of the

  1. Temperature vs. log (vapor pressure)
  2. Vapor pressure vs. log (temperature)
  3. Log (temperature) vs. log (vapor pressure)
  4. Vapor pressure vs. temperature

Correct answer: (A)
Temperature vs. log (vapor pressure)

12. 'Giga' stands for

  1. 109
  2. 10-12
  3. 1012
  4. 1015

Correct answer: (A)
109

13. _________ chart is a graph related to Antoine equation.

  1. Ostwald
  2. Cox
  3. Mollier's
  4. Enthalpy-concentration

Correct answer: (B)
Cox

14. _________ equation gives the effect of temperature on heat of reaction.

  1. Kirchoff’s
  2. Maxwell's
  3. Antoine
  4. Kistyakowsky

Correct answer: (A)
Kirchoff’s

15. _________ equation relates latent heat and boiling point.

  1. Antoine
  2. Kistyakowsky
  3. Kopp's
  4. Trouton's

Correct answer: (D)
Trouton's

16. _________ fuels require the maximum percentage of 'excess air' for complete combustion.

  1. Solid
  2. Liquid
  3. Gaseous
  4. Nuclear

Correct answer: (A)
Solid

17. _________ kg of CaC03 on heating will give 56 kg of CaO.

  1. 56
  2. 100
  3. 144
  4. 1000

Correct answer: (B)
100

18. 1 ata is equivalent to

  1. 1 atm
  2. 10 torr
  3. 0.98 Pascal
  4. 1 kgf/cm2

Correct answer: (D)
1 kgf/cm2

19. 1 bar is almost equal to _________ atmosphere.

  1. 1
  2. 10
  3. 100
  4. 1000

Correct answer: (A)
1

20. 1 BTU/ft3 is approximately equal to _________ kcal/m3.

  1. 1
  2. 9
  3. 4
  4. 252

Correct answer: (B)
9

Page 2 of 41