Boiler Exam Practice Quiz

167 Questions | Total Attempts: 106

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Boiler Quizzes & Trivia

Questions and Answers
  • 1. 
    1).    Which formula is used to determine the efficiecy of the boiler based on heat absorption?
    • A. 

      A swp = ts xt x eff

    • B. 

      b. output divided by the input

    • C. 

      C. e=mc squared

    • D. 

      D input divided by output

  • 2. 
    2)How many ways can heat be transferred?
    • A. 

      A 1

    • B. 

      B 2

    • C. 

      C 3

    • D. 

      D 4

  • 3. 
    3)how man typed of heat ar there?
    • A. 

      A 1

    • B. 

      B 2

    • C. 

      C 3

    • D. 

      D 4

  • 4. 
    4)how may different types of draft are there?
    • A. 

      A 1

    • B. 

      B 2

    • C. 

      C 3

    • D. 

      D 4

  • 5. 
    5)how may different types of boilers are there?
    • A. 

      A 1

    • B. 

      B 2

    • C. 

      C 3

    • D. 

      D 4

  • 6. 
    6)how many different types of low water fuel cut of are in general use?
    • A. 

      A 1

    • B. 

      B 2

    • C. 

      C 3

    • D. 

      D 4

  • 7. 
    7)how many different types of air are there? a)1  b2  c3  d4 
    • A. 

      A 1

    • B. 

      B 2

    • C. 

      C 3

    • D. 

      D 4

  • 8. 
    1)a (RPZ) reduced pressure zone or back flow preventer prevents contaninated water from entering the domestic water supply.           
    • A. 

      True

    • B. 

      False

  • 9. 
    2)Boilers and boiler fittings used in the state of Minnesota must be constructed to what code?
    • A. 

      2)Boilers and boiler fittings used in the state of Minnesota must be constructed to what code? A N.E.C. B. A.S.M.E. C. City code d. N.F.P. A. A N.E.C

    • B. 

      B. A.S.M.E.

    • C. 

      C. City code

    • D. 

      D. N.F.P. A

  • 10. 
    3)what is the unit called that controls the starting and stopping of the burner by sensing the temperature of the water in a hot water boiler?  b. pressure taqua stat roll  c. vapor stat  d. flow control valve
    • A. 

      A aqua stat

    • B. 

      B pressure troll

    • C. 

      c. vapor stat

    • D. 

      D. flow control valve

  • 11. 
    4)heat cant be transferred in three ways and they are:
    • A. 

      A.latent heat, specific heat, sensible heat

    • B. 

      B.conduction , radiation, convection

    • C. 

      C,. heat flow measured heat flow.

  • 12. 
    5)the first sequence in the series of automatic bgurner controls is:
    • A. 

      A. ignition

    • B. 

      B purging

    • C. 

      C. to make up the gas switch

    • D. 

      D startup on low fire

  • 13. 
    6)air that is mixed with the fuel at / or  in the burner is called:
    • A. 

      A.secondary air

    • B. 

      B. primary air

    • C. 

      C excess air

    • D. 

      D. mixable air

  • 14. 
    7)can a low water condition occur in a hot water heating type boiler?
    • A. 

      A no, because the boiler is completely filled with water.

    • B. 

      B yes, for numerous reasons

    • C. 

      c no , because there is water in the expansion tank

  • 15. 
    8) other that a safety relief valve what other safety device should be installed on a hot water heating boiler? a.        city water fill valve  b  low water fuel cut off  c a feed water regulator.
    • A. 

      A. city water fill valve

    • B. 

      B low water fuel cut off

    • C. 

      C a feed water regulator

  • 16. 
    9) what is the internal resistance to the flow of fuel oil? a.flash point   b viscosity  c fire point   d pour point  
    • A. 

      A.flash point

    • B. 

      B viscosity

    • C. 

      c fire point

    • D. 

      d pour point

  • 17. 
    10)each boiler in a battery (piped together sharing the same common header) must have:
    • A. 

      A. two or more safety valves on each boiler

    • B. 

      B a main steam stop

    • C. 

      C a chimney and breeching to each boiler

    • D. 

      D two or more types of fuel

  • 18. 
    11)what removes air from a hot water boiler system?
    • A. 

      A. a siphon device

    • B. 

      b air control

    • C. 

      C flow control

    • D. 

      D. relief valve

  • 19. 
    12)when a hydrostatic test of a boiler exceeds the maximum allowable working pressure each safety  valve, if  left attached to the boiler, should:  
    • A. 

      A.be held to its seat by screwing down the compressions spring

    • B. 

      B have its valve disc held to its seat by means of testing clamp or” gag

    • C. 

      C be set above the maximum allowable working pressure

  • 20. 
    13)why is a safety valve   sealed?
    • A. 

      A to prevent damage to the safety valve

    • B. 

      to prevent tampering with pressure and capacity

    • C. 

      to allow for blow back

    • D. 

      D to protect to spring

  • 21. 
    14)    oxygen in a boiler water can cause a  scale  b carry over  c corrosion   d priming
    • A. 

      A scale

    • B. 

      B carry over

    • C. 

      C corrosion

    • D. 

      D priming

  • 22. 
    15)In a steam boiler  system, the unit that turns the burner on and off based on steam spessure is the : a  aqustat  bpressure control  c potentiometer  d modulator control
    • A. 

      A aqustat bpressure control

    • B. 

      B pressure control

    • C. 

      C potentiomete

    • D. 

      D modulator control

  • 23. 
    16)If wate in the gauge glass is not visible because of failure of the feed water supply, what should be done?
    • A. 

      A add water immediately through the manual fill line

    • B. 

      B shut off the fuel to the burner and secure the boiler

    • C. 

      C notify the boiler inspector but continue to run the boiler

  • 24. 
    17) what two scales does a pressure control have? A 0 to 20 psi  and 0 to 1 si B  cut in pressure and differential pressure C 0 to 10 psi  and 0 to 20 psi D none of these
    • A. 

      A 0 to 20 psi and 0 to 15 psi

    • B. 

      B cut in pressure and differential pressure

    • C. 

      C 0 to 10 psi and 0 to 20 ps

    • D. 

      D none of these

  • 25. 
    18)what is the minimum size bottom blowdown line used on a mini or miniature boiler?
    • A. 

      A ¼ inch

    • B. 

      B ½ inch

    • C. 

      C ¾ inch

    • D. 

      D 1 inch

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