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Home Chemical Engineering Stoichiometry See What Others Are Saying!
  • Question
  • The reaction A + B ? C has been conducted in a reactor as shown below.
    The reaction A + B ? C has been conducted in a reactor as shown below. The number of balances (mater
    The number of balances (material) that can be made around the reactor are


  • Options
  • A. 1
  • B. 2
  • C. 3
  • D. 4

  • Correct Answer



  • More questions

    • 1. Overall distillation column efficiency for most of the refinery columns can be given by (for ? = 0.07 - 1.4 cp and relative volatility < 4) (where ? = overall column efficiency, % ? = molal average viscosity of feed at average column temperature and pressure, cp ?p = pressure drop per tray, psi)

    • Options
    • A. ? = 17 - 61.1 log ?
    • B.
    • C. ? = 1.66 - 0.25 log ?
    • D. ? = 0.25 log ? - 1.67
    • Discuss
    • 2. The vapour pressure of water is given by, in Psat = A - (5000/T), where A is a constant, Psat is the vapour pressure in atm. and T is the temperature in K.The vapor pressure of water in atm. at 50°C is approximately

    • Options
    • A. 0.07
    • B. 0.09
    • C. 0.11
    • D. 0.13
    • Discuss
    • 3. Improper storage condition results in the weathering of coal and spontaneous combustion, which increases its

    • Options
    • A. caking index.
    • B. yield of carbonised products.
    • C. friability & oxygen content.
    • D. calorific value.
    • Discuss
    • 4. Which is the stable form of silica between 1470°C and the melting point 1713°C?

    • Options
    • A. Cristobalite
    • B. Tridymite
    • C. Quartz
    • D. None of these
    • Discuss
    • 5. A binary liquid azeotropic mixture has boiling point lower than either of the components, when it shows __________ deviation from Raoult's Law.

    • Options
    • A. positive
    • B. negative
    • C. no
    • D. none of these
    • Discuss
    • 6. Which of the following additives are added to plastics to make it impervious to X-rays?

    • Options
    • A. Asbestos
    • B. Barium salt
    • C. Carborundum
    • D. Phthalic acid
    • Discuss
    • 7. The ratio of lateral strain to linear strain is termed as the

    • Options
    • A. Poisson's ratio
    • B. bulk modulus
    • C. modulus of elasticity
    • D. shear modulus
    • Discuss
    • 8. Maximum work that could be secured by expanding the gas over a given pressure range is the __________ work.

    • Options
    • A. isothermal
    • B. adiabatic
    • C. isentropic
    • D. none of these
    • Discuss
    • 9. During Joule-Thomson expansion of gases

    • Options
    • A. enthalpy remains constant.
    • B. entropy remains constant.
    • C. temperature remains constant.
    • D. none of these.
    • Discuss
    • 10. Gross & net calorific value is the same for

    • Options
    • A. blast furnace gas
    • B. coke oven gas
    • C. L.D. converter gas
    • D. none of these
    • Discuss


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