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Home ‣ Chemical Engineering ‣ Stoichiometry Comments
  • Question

  • __________ fuels require the maximum percentage of 'excess air' for complete combustion.


  • Options
  • A. Solid
  • B. Liquid
  • C. Gaseous
  • D. Nuclear

  • Correct Answer
  • Solid 

    • Stoichiometry problems

    Search Results

    • 1. 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,; where, P = vapor pressure, T = absolute temperature, ? = latent heat of vaporisation, VG and VL = volumes of gas and liquid respectively.
      • Discuss
    • 2. Heat of neutralisation of HCl and NaOH is - 57.46 kJ/Kg mole. The heat of ionisation of water will be __________ kJ/Kg mole.

    • Options
    • A. 57.46
    • B. -57.46
    • C. 114.92
    • D. -28.73
      • Discuss
    • 3. Kopp's rule is useful for the determination of

    • Options
    • A. molal heat capacities of gases.
    • B. heat capacities of solids.
    • C. activation energy.
    • D. heat capacities of gases.
      • Discuss
    • 4. The temperature at which a real gas obeys Boyle's law is termed as the

    • Options
    • A. triple point
    • B. Boyle's temperature
    • C. eutectic point
    • D. inversion temperature
      • Discuss
    • 5. Which of the following gases is the most soluble in water?

    • Options
    • A. NH3
    • B. CO2
    • C. H2S
    • D. CH4
      • Discuss
    • 6. A 'limiting reactant' is the one, which decides the __________ in the chemical reacation.

    • Options
    • A. equilibrium constant
    • B. conversion
    • C. rate constant
    • D. none of these
      • Discuss
    • 7. For an ideal gas, the compressibility factor

    • Options
    • A. decreases with pressure rise.
    • B. is unity at all temperature.
    • C. is unity at Boyle's temperature.
    • D. zero.
      • Discuss
    • 8. A gas at 0°C was subjected to constant pressure cooling until its volume became half the original volume. The temperature of the gas at this stage will be

    • Options
    • A. 0°C
    • B. 0°K
    • C. -136.5°C
    • D. -136.5°K
      • Discuss
    • 9. In a binary liquid system, the composition expressed as __________ is independent of the temperature & pressure.

    • Options
    • A. kg of solute/kg of solvent
    • B. kg-mole of solute/kg-mole of solvent
    • C. kg-mole of solute/1000 kg of solvent
    • D. all (a), (b) & (c)
      • Discuss
    • 10. If the partial pressure of the solvent in the vapor phase is equal to the vapor pressure of the solvent at that temperature, then the system is said to be at its

    • Options
    • A. bubble point.
    • B. saturation temperature.
    • C. dew point.
    • D. both (b) and (c).
      • Discuss

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