Practice Questions builder Questions And Correct Answers.

Practice Questions builder Questions And Correct Answers

1. Globe Valve - ANS ✔✔ - A valve that should be used for fi fi fi fi fi fi fi fi fi fi fi fi




throttling is a?
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2. 30-70 - ANS ✔✔ - what is the acceptable range for residual
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sodium sulfite in the boiler maintain?
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3. 146,000 - ANS ✔✔ - what is the BTU content of a Gallon of fi fi fi fi fi fi fi fi fi fi fi fi fi




#4?
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4. Brine - ANS ✔✔ - what does a zeolite water softener system
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use as a means of regeneration?
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5. Backwash, - ANS ✔✔ - what are the steps for a Zeolite fi fi fi fi fi fi fi fi fi fi fi




rejuvenation water softener process?
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6. Condenser - ANS ✔✔ - Where is medium temperature liquid fi fi fi fi fi fi fi fi fi




found in a refrigeration cycle ?
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7. Discharge line of the compressor - ANS ✔✔ - Where is high fi fi fi fi fi fi fi fi fi fi fi




temperature vapor found in a refrigeration cycle?
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8. Diagonal Stays - ANS ✔✔ - what stays are used to support fi fi fi fi fi fi fi fi fi fi fi




the burner chamber in a scotch marine boiler?
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9. Grounding Conductor - ANS ✔✔ - What wire connects all fi fi fi fi fi fi fi fi fi




components of a system to physical ground or water pipe?
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10. By opening the quick opening valve first and closing it last -
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ANS ✔✔ - high pressure boilers equipped with a quick opening
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valve and a slow opening valve are blown down how?
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11. every 8 hours (once a shift) - ANS ✔✔ - How often should the
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water level in the boiler be checked over a 24 hour period?
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12. Annually - ANS ✔✔ - How often is the high limit switch on a fi fi fi fi fi fi fi fi fi fi fi fi fi




boiler tested?
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13. Every 8 hours (once a Shift) - ANS ✔✔ - How Often is an
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external inspection of a boiler performed?
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14. Shutdown Burner - ANS ✔✔ - What is the first thing to do fi fi fi fi fi fi fi fi fi fi fi fi




when shutting down a Boiler?
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15. Every 8 hours (once a shift) - ANS ✔✔ - How often should the
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, Practice Questions builder Questions And Correct Answers

flow control be blown down
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16. Every 8 hours (once a shift) - ANS ✔✔ - How often should the fi fi fi fi fi fi fi fi fi fi fi fi fi




low level cutoff be tested
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17. To Lubricate components within the refrigeration cycle -
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ANS ✔✔ - why is oil added to the refrigerant
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18. the same system or other system owned by the samefi fi fi fi fi fi fi fi fi




person with restriction - ANS ✔✔ - Refrigerant that is recovered
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can be returned to?
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19. Stamp or Approval - ANS ✔✔ - Data printed on the fi fi fi fi fi fi fi fi fi fi




equipment nameplate includes the manufacturer, model, serial
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number and ___________?
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20. 1 BTU - ANS ✔✔ - How many BTU's does it take to rise 10lbs
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of steam from 40° to 41°?
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21. every 8 hours (once a shift) - ANS ✔✔ - How often should fi fi fi fi fi fi fi fi fi fi fi fi




permits be required when working on a Boiler?
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22. 3 : over pressure, Over heating, & Fire side Explosions - ANS
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✔✔ - How many things do safety controls protect against?
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23. Calcium Sulfate & Magnesium Carbonate - ANS ✔✔ - What fi fi fi fi fi fi fi fi fi




chemical compounds in water cause permanent Hardness?
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24. Sodium sulfite & hydrazine - ANS ✔✔ - What chemicals are fi fi fi fi fi fi fi fi fi fi




used to Combat Corrosion
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25. Bases - ANS ✔✔ - You have boiler water that is found to have fi fi fi fi fi fi fi fi fi fi fi fi fi




PH of 5, what compound do you add to neutralize
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26. Calcium carbonate & magnesium Carbonate - ANS ✔✔ - what fi fi fi fi fi fi fi fi fi




produces soft scale?
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27. Neutralizing amines - ANS ✔✔ - with normal oxygen and Low fi fi fi fi fi fi fi fi fi fi




alkalinity, what is added to the boiler water?
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28. Silica - ANS ✔✔ - What is hard forming Scale fi fi fi fi fi fi fi fi fi




29. Combined Phosphate treatment - ANS ✔✔ - what chemicals fi fi fi fi fi fi fi fi




are used to combat scale
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