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  1. Which one of the following factor influences the natural circulation in a watertube boiler? A. The height of the economizer above the bottom of air heater
    B. The height of the economizer above the bottom of boiler floor
    C. The height of the steam drum above the bottom drum or header
    D. The height of the superheater header above the reheater header
    C. The height of the steam drum above the bottom drum or header
  2. For top supported boilers, the steam drum is _________________ .
    A. hung from steel lateral supports.
    B. supported by concrete drum foundations.
    C. welded to the top header.
    D. hung from the top steelwork.
    D. hung from the top steelwork.
    (this multiple choice question has been scrambled)
  3. CSA B51 Codes states that steam boilers not continuously attended by a certified operator shall be equipped with ________ low-water fuel cut-off device(s).
    A. at least two
    B. one
    C. one master and one slave
    D. two dependent
    B. one
    (this multiple choice question has been scrambled)
  4. The high gas pressure switch contacts of a steam boiler are normally closed whenever the main gas line pressure is ______ preset pressure.
    A. 100 kPa above a
    B. below a
    C. above a
    D. equal to the ignitor gas supply pressure’s
    B. below a
  5. 5. For the same required air flow, an induced draft (ID) fan must have a larger capacity than a forced draft (FD) fan because the ID fan must handle ___________________ .
    A. the mass of combustion air
    B. the mass of atomizing steam
    C. a lower temperature of air
    D. a larger volume of gases
    D. a larger volume of gases
    (this multiple choice question has been scrambled)
  6. 6. A three-element feedwater control system is an improvement over the two-element control system by adding ____________ as the third element.
    A. steam flow
    B. steam pressure
    C. water level
    D. water flow
    D. water flow
    (this multiple choice question has been scrambled)
  7. 7. Based on the ASME Codes, the water used for the hydrostatic test of a steam boiler must not exceed _______ °C.
    A. 65
    B. 45
    C. 55
    D. 75
    C. 55
    (this multiple choice question has been scrambled)
  8. 8. During the regeneration of a mixed-bed demineralizer, the backwash process is used to ______________ .
    A. mix up the anion and cation resin beads
    B. separate the anion and cation resin beads
    C. add the anion and cation resin beads
    D. remove lingering regenerant and undesirable ions
    B. separate the anion and cation resin beads
    (this multiple choice question has been scrambled)
  9. 9. When the liquid travels through the volute casing of a centrifugal pump to the pump discharge, the liquid velocity decrease and its ________________ .
    A. potential energy is converted into velocity energy
    B. internal energy is converted into potential energy
    C. kinetic energy is converted into pressure energy
    D. pressure energy is converted into kinetic energy
    C. kinetic energy is converted into pressure energy
    (this multiple choice question has been scrambled)
  10. 10. Based on the ASME Codes, area of replacement means that adequate reinforcement of the vessel requires ___________________ to be attached near the openings as was removed to create the opening.
    A. an equal weight of reinforcement pad
    B. an equal volume of reinforcement pad
    C. an equal amount of carbon steel
    D. an equal amount of excess material
    D. an equal amount of excess material
    (this multiple choice question has been scrambled)

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Author:
PowerPrep
ID:
317620
Filename:
Sopeec
Updated:
2016-03-20 13:30:55
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Sopeec
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