Phid 412 (Self-assessment For Quiz 1) . Kats

93 Questions | Total Attempts: 106

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Phid 412 (Self-assessment For Quiz 1) . Kats - Quiz

Test yourself - same question present in paper. . Just test yourself without seen the answer


Questions and Answers
  • 1. 
    A thermostatic steam trap can be used both as vent and drip.
    • A. 

      True

    • B. 

      False

    • C. 

      Mixed

  • 2. 
    Ammonia gas has the highest latent heat among common refrigerants (296) coloring
    • A. 

      True

    • B. 

      False

    • C. 

      Mixed

  • 3. 
    Brine is a concentrated salt solution
    • A. 

      True

    • B. 

      False

    • C. 

      Mixed

  • 4. 
    For in walls the outer temp is (tnt1).
    • A. 

      True

    • B. 

      False

    • C. 

      Mixed

  • 5. 
    Fourier's equation expressed condition only.
    • A. 

      True

    • B. 

      False

    • C. 

      Mixed

  • 6. 
    Heat sources can be either directly or indirectly.
    • A. 

      True

    • B. 

      False

    • C. 

      Mixed

  • 7. 
    Mechanical stem traps are more capable than thermo static ones to drain large amounts of condensate.
    • A. 

      True

    • B. 

      False

    • C. 

      Mixed

  • 8. 
    Mechanical stem traps depend on buoyancy while thermostatic ones depend on in temperature.
    • A. 

      True

    • B. 

      False

    • C. 

      Mixed

  • 9. 
    Plate heat exchangers can be used for multiple day time
    • A. 

      True

    • B. 

      False

    • C. 

      Mixed

  • 10. 
    Specific heat is heat required to raise the temp of unit mass unit degree.
    • A. 

      True

    • B. 

      False

    • C. 

      Mixed

  • 11. 
    Steam travels at a speed of a mile per a minute.
    • A. 

      True

    • B. 

      False

    • C. 

      Mixed

  • 12. 
    The pressure inside the evaporator is lower than inside the condenser
    • A. 

      True

    • B. 

      False

    • C. 

      Mixed

  • 13. 
    The pressure regulator serves to reduce the volume of refrigerant flowing to the evaporator.
    • A. 

      True

    • B. 

      False

    • C. 

      Mixed

  • 14. 
    The size and cost of spiral heat exchanger is comparable or even less than that of tubular units.
    • A. 

      True

    • B. 

      False

    • C. 

      Mixed

  • 15. 
    The thicker the lagging, the more saving in operating cost.
    • A. 

      True

    • B. 

      False

    • C. 

      Mixed

  • 16. 
    Velocity of flow augments heat transfer by connection.
    • A. 

      True

    • B. 

      False

    • C. 

      Mixed

  • 17. 
    An evaporating still allows evaporation of thermo labile non-aqueous solution.
    • A. 

      True

    • B. 

      False

    • C. 

      Mixed

  • 18. 
    Boiling temperature affects negatively the stability of thermo labile substances during evaporation.
    • A. 

      True

    • B. 

      False

    • C. 

      Mixed

  • 19. 
    Boiling temperature affects solubility negatively, positively or fairly.
    • A. 

      True

    • B. 

      False

    • C. 

      Mixed

  • 20. 
    Boiling temperature is indirect relative to solute concentration..
    • A. 

      True

    • B. 

      False

    • C. 

      Mixed

  • 21. 
    Evaporating pans are suitable for continuous operation.
    • A. 

      True

    • B. 

      False

    • C. 

      Mixed

  • 22. 
    Evaporators are designed to give maximum heat transfer and minimum boundary layers.
    • A. 

      True

    • B. 

      False

    • C. 

      Mixed

  • 23. 
    Forced circulation evaporators can be operated under reduced pressure.
    • A. 

      True

    • B. 

      False

    • C. 

      Mixed

  • 24. 
    Higher moisture content may dictate a lower evaporating temperature.
    • A. 

      True

    • B. 

      False

    • C. 

      Mixed

  • 25. 
    In film evaporators an increased heating surface to liquid ration is employed.
    • A. 

      True

    • B. 

      False

    • C. 

      Mixed

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