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

  • Pick out the wrong statement:


  • Options
  • A. Clausius-Clapeyron equation relates the latent heat of vaporisation to the slope of the vapor pressure curve.
  • B. At the boiling point of liquid at the prevailing total pressure, saturated absolute humidity is infinite.
  • C. Percentage saturation and relative saturation are numerically equal for an unsaturated vapor gas mixture.
  • D. Clapeyron equation is given by,Pick out the wrong statement: Clausius-Clapeyron equation relates the latent heat of vaporisation to; where, P = vapor pressure, T = absolute temperature, ? = latent heat of vaporisation, VG and VL = volumes of gas and liquid respectively.

  • Correct Answer
  • Percentage saturation and relative saturation are numerically equal for an unsaturated vapor gas mixture. 

    • More questions

    • 1. Absorption factor is defined as (where, S1 = slope of the operating line S2 = slope of the equilibrium curve)

    • Options
    • A. S2/S1
    • B. S1/S2
    • C. S1 - S2
    • D. S1 x S2
      • Discuss
    • 2. Continuous shell temperature measurement in a liquid-liquid heat exchanger is done by a

    • Options
    • A. thermocouple
    • B. reistance thermometer
    • C. mercury in glass thermometer
    • D. vapor pressure thermometer
      • Discuss
    • 3. Roof of a basic electric furnace is made of __________ bricks.

    • Options
    • A. superduty fireclay
    • B. silica
    • C. chromite
    • D. none of these
      • Discuss
    • 4. Foot valves provided in pumps are __________ valves.

    • Options
    • A. relief
    • B. three/four way
    • C. pressure reducing
    • D. directional control
      • Discuss
    • 5. Oxygen percentage in the flue gas coming out of a gaseous fuel fired furnace should be ideally about __________ percent.

    • Options
    • A. < 2
    • B. < 5
    • C. < 8
    • D. < 10
      • Discuss
    • 6. What is the Laplace transform of impulse input having magnitude 'X'?

    • Options
    • A. X
    • B. X2
    • C. 1/X
    • D. 1
      • Discuss
    • 7. Which of the following expressions defines the Baume gravity scale for liquids lighter than water?

    • Options
    • A. °Be = (140/G) - 130
    • B. °Be = 200(G-1)
    • C. °Be = 145 - (145/G)
    • D. °Be = (400/G) - 400
      • Discuss
    • 8. Which is not an acidic refractory?

    • Options
    • A. Silica
    • B. Fireclay
    • C. High alumina refractory
    • D. Carbon black
      • Discuss
    • 9. Which of the following is the best nuclear fuel?

    • Options
    • A. Np- 239
    • B. U-234
    • C. Pu-239
    • D. Th-236
      • Discuss
    • 10. Sulphuric acid mist is arrested by using a __________ scrubber.

    • Options
    • A. packed wet
    • B. hollow wet
    • C. venturi
    • D. co-current
      • Discuss

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