Industry 1 A Sample Of Quiz 1 Test Your Self Maktbt 7amed

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Industry 1 A Sample Of Quiz 1 Test Your Self Maktbt 7amed

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Questions and Answers
  • 1. 
    A 1:1 heat exchanger is affixed head heat exchanger.
    • A. 

      True

    • B. 

      False

  • 2. 
    A bundle of closely spaced thin and long copper tubes favors heat transfer in tubular heat exchanger.
    • A. 

      True

    • B. 

      Mixed

  • 3. 
    A refrigerant should have a high latent heat and a low vapor pressure.
    • A. 

      True

    • B. 

      Mixed

  • 4. 
    A thermostatic steam trap can be used both as vent and drip.
    • A. 

      True

    • B. 

      False

  • 5. 
    Ammonia gas has the highest latent heat among common refrigerants (296) coloring
    • A. 

      True

    • B. 

      False

  • 6. 
    An advantage of natural circulation evaporators is that all the liquid is heated all the time
    • A. 

      True

    • B. 

      False

  • 7. 
    An evaporating pan is composed of a copper liner and a stainless steel jacket.
    • A. 

      True

    • B. 

      Mixed

  • 8. 
    An evaporating still allows evaporation of thermo labile non-aqueous solution.
    • A. 

      True

    • B. 

      False

  • 9. 
    Boiling temperature affects negatively the stability of thermo labile substances during evaporation.
    • A. 

      True

    • B. 

      False

  • 10. 
    Boiling temperature affects solubility negatively, positively or fairly.
    • A. 

      True

    • B. 

      False

  • 11. 
    Boiling temperature is indirect relative to solute concentration..
    • A. 

      True

    • B. 

      False

  • 12. 
    Boiling temperature is inversely proportional to external pressure.
    • A. 

      True

    • B. 

      False

  • 13. 
    Bonded fabricks are suitable for pharmaceutical filtration operations
    • A. 

      True

    • B. 

      False

  • 14. 
    Bound moisture and free moisture together compress the EMC.
    • A. 

      True

    • B. 

      Mixed

  • 15. 
    Brine is a concentrated salt solution
    • A. 

      True

    • B. 

      False

  • 16. 
    Cake is removed continuously including the first deposit layers.
    • A. 

      True

    • B. 

      Mixed

  • 17. 
    Caustic alkali industrially filtered on coarsely graded coke
    • A. 

      True

    • B. 

      False

  • 18. 
    Cork is a good logging material for steam tubes.
    • A. 

      True

    • B. 

      False

  • 19. 
    Cyclone separators separate two fluids from one another.
    • A. 

      True

    • B. 

      False

  • 20. 
    Dry steam is steam that has been dried by suitable heat.
    • A. 

      True

    • B. 

      False

  • 21. 
    During rule permits prediction of boiling point of pure solvent.
    • A. 

      True

    • B. 

      False

  • 22. 
    EMC is the starting point of drying rate curve.
    • A. 

      True

    • B. 

      False

  • 23. 
    Evaporating pans are suitable for continuous operation. 
    • A. 

      True

    • B. 

      False

  • 24. 
    Evaporators are designed to give maximum heat transfer and minimum boundary layers.
    • A. 

      True

    • B. 

      False

  • 25. 
    Extraction are termed miscella
    • A. 

      True

    • B. 

      False

  • 26. 
    Falling film evaporators are preferred to wiped film evaporators for very viscous liquids.
    • A. 

      True

    • B. 

      False

  • 27. 
    Filtration of viscous solution is better achieved by heating, vacuum application.
    • A. 

      True

    • B. 

      Mixed

  • 28. 
    Finned tubes - exchangers offer higher heat transfer for viscous liquid than plate heat exchangers.
    • A. 

      True

    • B. 

      False

  • 29. 
    First -deposited cake layers should be formed under high pressure difference.
    • A. 

      True

    • B. 

      False

  • 30. 
    For in walls the outer temp is (tnt1).
    • A. 

      True

    • B. 

      False

  • 31. 
    Forced circulation evaporators can be operated under reduced pressure.
    • A. 

      True

    • B. 

      False

  • 32. 
    Forced circulation favors the rate of evaporation but increases the boundary layers.
    • A. 

      True

    • B. 

      Mixed

  • 33. 
    Fourier's equation expressed condition only.
    • A. 

      True

    • B. 

      False

  • 34. 
    H is expressed in btu/hr-ft-f (k) ft2.
    • A. 

      True

    • B. 

      False

  • 35. 
    He climbing film evaporator depends in the fact that steam moves at a speed of a mile a minute
    • A. 

      True

    • B. 

      False

  • 36. 
    Heat sources can be either directly or indirectly.
    • A. 

      True

    • B. 

      False

  • 37. 
    Heat transfer by conduction is predominant in solids and liquids.
    • A. 

      True

    • B. 

      Mixed

  • 38. 
    Higher moisture content may dictate a lower evaporating temperature.
    • A. 

      True

    • B. 

      False

  • 39. 
    Horizontal film evaporator and horizontal tube evaporators preferred evaporators.
    • A. 

      True

    • B. 

      False

  • 40. 
    Horizontal tube evaporators preferred to vertical tube evaporators
    • A. 

      True

    • B. 

      False

  • 41. 
    In extraction continues agitation is preferred to occasional agitation.
    • A. 

      True

    • B. 

      False

  • 42. 
    In film evaporators an increased heating surface to liquid ration is employed.
    • A. 

      True

    • B. 

      False

  • 43. 
    In film evaporators an increased liquid to heating surface ration is employed
    • A. 

      True

    • B. 

      False

  • 44. 
    In forced circulation evaporate most of the liquid is heated most of the time.
    • A. 

      True

    • B. 

      False

  • 45. 
    In liquid-liquid column heavy liquids are introduced from above and light liquids are collected from below.
    • A. 

      True

    • B. 

      Mixed

  • 46. 
    In liquid-liquid plate columns, the lip surface to increase agitation.
    • A. 

      True

    • B. 

      False

  • 47. 
    In the shell-side of the tubular heat exchangers, the alternating baffles serve only to supper the thin long tubes.
    • A. 

      True

    • B. 

      Mixed

  • 48. 
    In the steam heated equipment meant the out let of the steam in lower than the inlet.
    • A. 

      True

    • B. 

      False

  • 49. 
    In thin walled tubes when rl/r2 > 1.5 the rm is required
    • A. 

      True

    • B. 

      False

  • 50. 
    Insulin extract can be safely evaporated in climbing film evaporator
    • A. 

      True

    • B. 

      False

  • 51. 
    Lagging is essential on the tube from the pressure regulator to the condenser.
    • A. 

      True

    • B. 

      False

  • 52. 
    Latent heat is expressed in calorie/g/c
    • A. 

      True

    • B. 

      False

  • 53. 
    Mechanical stem traps are more capable than thermo static ones to drain large amounts of condensate.
    • A. 

      True

    • B. 

      False

  • 54. 
    Mechanical stem traps depend on buoyancy while thermostatic ones depend on in temperature.
    • A. 

      True

    • B. 

      False

  • 55. 
    Particle size enhances the rate of extraction and ensures selective extraction.
    • A. 

      True

    • B. 

      Mixed

  • 56. 
    Permeability coefficient of filter medium is significant on Laboratory and industrial scales.
    • A. 

      True

    • B. 

      Mixed

  • 57. 
    Plate heat exchangers can be used for multiple day time
    • A. 

      True

    • B. 

      False

  • 58. 
    Practically, evaporation is removal of liquid from solution by boiling, leaving a solid residue.
    • A. 

      True

    • B. 

      False

  • 59. 
    Psi = psig + psia
    • A. 

      True

    • B. 

      False

  • 60. 
    Q= A∆T/(B/X) ايه السؤال العجيب ده ؟! فولس ياعم فولس كبر مخك
    • A. 

      True

    • B. 

      False

  • 61. 
    Q= U.A.∆T/X فولس برده بقولك ايه السؤال اللي متفهموش اعمله فولس وكبر دماغك
    • A. 

      True

    • B. 

      False

  • 62. 
    Radiation may be reflected, transmitted or absorbed the portion transmitted is converted into heat. خلي بالك بقا السؤال ده ميكسيد بغششك أهوه بس في الإمتحان مش هتلاقي حد يغششك 
    • A. 

      True

    • B. 

      Mixed

  • 63. 
    Recirculation of hot air with 90% bleed off is recommended in hot air oven.
    • A. 

      True

    • B. 

      False

  • 64. 
    Slight pressure variations can be tolerated by simple thermostatic steam traps
    • A. 

      True

    • B. 

      False

  • 65. 
    Solute concentration increases viscosity or evaporating solution both directly by increasing boiling temperature.
    • A. 

      True

    • B. 

      False

  • 66. 
    Solute concentration is in direct relation to both boiling temperature and viscosity.
    • A. 

      True

    • B. 

      False

  • 67. 
    Specific heat is heat required to raise the temp of unit mass unit degree.
    • A. 

      True

    • B. 

      False

  • 68. 
    Spray column are the best liquid-liquid extraction columns. فاضل 10 أسئلة هانت بس انا عايز انام الله يخرب بيتك ماتركز بقا خلينا نخلص
    • A. 

      True

    • B. 

      False

  • 69. 
    Steam travels at a speed of a mile per a minute.
    • A. 

      True

    • B. 

      False

  • 70. 
    Submerged solution in long vertical tube evaporators can suffer higher boiling temperature ماتجيب سيجارة 
    • A. 

      True

    • B. 

      False

  • 71. 
    Super-heated steam is preferred source of heat in industry.
    • A. 

      True

    • B. 

      False

  • 72. 
    The caldaria evaporator is identically a vertical tube evaporator.
    • A. 

      True

    • B. 

      False

  • 73. 
    The me labile drugs should be evaporated at every low temperature for a very short time.
    • A. 

      True

    • B. 

      False

  • 74. 
    The operating condition in lyophilization is a temperature of -1 to -38C, and a pressure of 0.3 to 0.5 mmHg ازيك يامصطفي ياعصام
    • A. 

      True

    • B. 

      False

  • 75. 
    The pressure inside the evaporator is lower than inside the condenser ريم خالد أجدع واحده في الدفعة ترو ياجدعان ترو والله
    • A. 

      True

    • B. 

      False

  • 76. 
    The pressure regulator serves to reduce the volume of refrigerant flowing to the evaporator. البقاء لله يامحمد ياصلاح شد حيلك ياغالي سنة الحياه ياحبيبي والله العظيم ربنا حاسس بيك وهيبرد قلبك الفاتحة علي روح عم صلاح ياجماعة
    • A. 

      True

    • B. 

      False

  • 77. 
    The size and cost of spiral heat exchanger is comparable or even less than that of tubular units. سلايدات البابلك العملي مطبوعة ألوان ومتلقحة في مكتبة حامد ب أرخص سعر ممكن
    • A. 

      True

    • B. 

      False

  • 78. 
    The thermal conductivity is the driving force in hear transfer. هنذاكر الإينزمولوجي والليبد في الكلينيكال من ملزمة الميد وال 3 شباتر الباقيين معمولين في ملزمة لوحدهم 
    • A. 

      True

    • B. 

      False

  • 79. 
    The thicker the lagging, the more saving in operating cost. بذاكر بزنس وهعملكوا جزء الفاينال في 4 ورقات مش هيخرج عنهم الإمتحان
    • A. 

      True

    • B. 

      False

  • 80. 
    Theoretically, evaporation means vaporization at a very low temperature for a very short time. جايلي ملزمة ميديسنال للفاينال هتعديكوا من هذه المادة ان شاء الله 
    • A. 

      True

    • B. 

      False

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