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  • Question
  • Steam economy is defined as the amount of evaporation per unit amount of steam used, while the capacity is the total evaporation obtained per hour. Use of multiple effect in evaporation


  • Options
  • A. increases capacity.
  • B. increases economy.
  • C. does not affect the capacity.
  • D. both 'b' & 'c'.

  • Correct Answer
  • both 'b' & 'c'. 


  • More questions

    • 1. With rise in pressure, the solubility of gases in solvent, at a fixed temperature

    • Options
    • A. increases
    • B. decreases
    • C. remains unchanged
    • D. decreases linearly
    • Discuss
    • 2. Presence of nickel in steel improves its

    • Options
    • A. corrosion resistance.
    • B. cutting ability.
    • C. wear resistance.
    • D. all (a), (b) and (c).
    • Discuss
    • 3. With increase in the number of carbon and hydrogen atoms in hydrocarbon molecules, the density of petroleum products

    • Options
    • A. decreases
    • B. increases
    • C. remains same
    • D. unpredictable from the data
    • Discuss
    • 4. If dp is the equivalent diameter of a non-spherical particle, Vp its volume and sp its surface area, then its sphericity is ?s is defined by

    • Options
    • A. ?s = 6 Vp/dp sp
    • B. ?s = Vp/dp sp
    • C. ?s = 6 dp Sp/Vp
    • D. ?s = dp Sp/Vp
    • Discuss
    • 5. Teflon is

    • Options
    • A. phenol formaldehyde
    • B. an inorganic polymer
    • C. polytetra florouethylene (PTFE)
    • D. a monomer
    • Discuss
    • 6. The unit of Cp in S.I. units is

    • Options
    • A. W/m2.°K
    • B. J/kg.°K
    • C. W/m.°K
    • D. J/m3. °K
    • Discuss
    • 7. Ferromagnetic ceramic material is not used in the

    • Options
    • A. thermal insulation
    • B. transformers
    • C. magnetic switches
    • D. television sets
    • Discuss
    • 8. In a __________ rivetted joint, the rivets in the various rows are opposite to each other.

    • Options
    • A. zig-zag
    • B. chain
    • C. diamond
    • D. none of these
    • Discuss
    • 9. Dilute wine was used as a thermometric liquid initially to develop temperature scale. First emperical temperature scale developed was the __________ scale.

    • Options
    • A. Kelvin
    • B. Centigrade
    • C. Fahrenheit
    • D. Reaumer
    • Discuss
    • 10. Hazards associated with the relief valve leakage for extremely hazardous material storage can be taken care of by providing

    • Options
    • A. rupture diaphragm
    • B. dikes
    • C. surge chamber
    • D. none of these
    • Discuss


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