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Home ‣ Chemical Engineering ‣ Stoichiometry See What Others Are Saying!
  • Question

  • The elevation in boiling point of a solution is proportional to the __________ of the solution.


  • Options
  • A. molal concentration
  • B. reciprocal of the molal concentration
  • C. normality
  • D. molarity

  • Correct Answer
  • molal concentration 

    • More questions

    • 1. Cellulose content in bomboo fibre is about __________ percent.

    • Options
    • A. 10
    • B. 20
    • C. 50
    • D. 85
      • Discuss
    • 2. Gold ore concentration is mostly done using

    • Options
    • A. jigging
    • B. tabling
    • C. froth floatation
    • D. elutriation
      • Discuss
    • 3. Vapor pressure of water at 100°C is about __________ bar.

    • Options
    • A. 0.1013
    • B. 1.013
    • C. 10.13
    • D. 101.3
      • Discuss
    • 4. P2O5 content in triple superphosphate is about __________ percent.

    • Options
    • A. 42-50
    • B. 15-20
    • C. 85-90
    • D. 70-75
      • Discuss
    • 5. For a cylindrical shell, (subject to the thickness of uppermost course being more than the minimum for diaofthe tank in question), the thickness of the courses of shell

    • Options
    • A. decreases upwards.
    • B. increases upwards.
    • C. remains same throughout.
    • D. may decrease or increase upwards depending upon whether vacuum or positive pressure would be maintained inside the shell.
      • Discuss
    • 6. Water is flowing through a series of four tanks and getting heated as shown in figure. It is desired to design a cascade control scheme for controlling the temperature of water leaving the tank 4 as there is a disturbance in the temperature of a second stream entering the tank 2. Select the best place to take the secondary measurement for the second loop.

    • Options
    • A. Tank 1
    • B. Tank 2
    • C. Tank 3
    • D. Tank 4
      • Discuss
    • 7. The gas which contributes maximum to the heating value of natural gas is

    • Options
    • A. CO
    • B. CO2
    • C. H2
    • D. CH4
      • Discuss
    • 8. Pick out the wrong unit conversion.

    • Options
    • A. l kgf= 9.8 Newton.
    • B. 1 stoke = 1 m2/second.
    • C. 1 Pascal second = 10 poise.
    • D. 1 ppm = 1 ml/m3 = 1 mg/kg.
      • Discuss
    • 9. Styrene butadiene rubber is commercially manufactured by

    • Options
    • A. bulk polymerisation
    • B. suspension polymerisation
    • C. solution polymerisation
    • D. emulsion polymerisation
      • Discuss
    • 10. Fast breeder nuclear reactors using enriched uranium as fuel may contain upto a maximum of __________ percent of U-235 (i.e. fissile material).

    • Options
    • A. 15
    • B. 45
    • C. 65
    • D. 85
      • Discuss

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