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FREE AND STUDY GAMES ABOUT SPECIAL BOILERS MN
EXAM QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -120 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: After repair work is done on the boiler, what test is done to check for leaks:
Answer:
Hydrostatic test Question 2: On a steam or hot water boiler, the safety valve or safety relief valve could be tested by?
Answer:
By lifting the lever on the valve or raising the pressure until they operate.
Question 3: An indication of soot build-up on a firetube boiler is
Answer:
High stack temperature Question 4: The bottom blow down line on a steam boiler system is located at the:
Answer:
lowest point of the waterside of a steam boiler
Question 5: When hydrostatic test of a boiler exceeds the maximum allowable working pressure
each safety valve, if left attached to the boiler should:
Answer:
Have its valve disc held to its seat by means of testing clamp or "gag" Question 6: The popping pressure of a safety relief valve on a low pressure hot water heating
boiler cannot exceed:
Answer:
160 psi Question 7: A _____ valve is a valve that permits fluid flow in only one direction and closes automatically to prevent backflow.
Answer:
check
Question 8: Why is a pigtail or siphon required in steam pressure gauge lines?
Answer:
To protect the gauge from high temperature
Question 9: When used, a quick opening blowdown valve must be located _____.
Answer:
Nearest to the boiler Question 10: Rules governing the construction of power boilers are set out in ____.
Answer:
ASME Code Section 1
Question 11: The LWCO should be tested how often?
Answer:
Daily Question 12: In a natural draft furnace, the amount of draft is affected by the ________.
Answer:
height of the stack
Question 13: The low water fuel cutoff is tested by blowing down its float chamber or doing what kind of test?
Answer:
An evaporation test.Question 14: The shift engineer of a high pressure boiler plant of over 200 HP must stay within ________of the boiler room at all times during the shift?
Answer:
500 ft Question 15: The shift engineer of a high pressure boiler plant of over 200 HP must stay within _______ of the boiler room at all times during the shift.
Answer:
500 ft Question 16: The ASME Code states that boilers with over ______ square feet of heating surface must have 2 or more safety valves?
Answer:
500
Question 17: When a safety valve opens and closes rapidly it is rendered to as
Answer:
Chattering Question 18: In accordance with the statutes of the State of Minnesota, each electric boiler horsepower is equal to _______kilowatts?
Answer:
10 Question 19: Boiler operation data commonly recorded in a boiler room logbook includes what information?
Answer:
When boiler checks were made, who made the boiler checks, and what specific checks were made.
Question 20: With regard to steam boilers, the letter "HRT" mean _____.
Answer:
horizontal return tubular
Question 21: A high pressure boiler of 25 HP should be checked how often?
Answer:
24 hours
Question 22: What should be posted in the boiler room?
Answer:
Boiler licenses Inspection certificate or exemption certificate Question 23: Can a low water condition occur in a hot water heating type boiler?
Answer:
Yes, for numerous reasons Question 24: In most US jurisdictions, and _______boiler inspection is mandated by law?
Answer:
Annual
Question 25: Expansion bends or joints are installed in piping systems to_____.
Answer:
allow for expansion and contraction of the piping without causing damage
Question 26: How many ways can heat be transferred
Answer:
3 Question 27: Continuous blowdown systems are used in boilers to help control the ______
________ ________.
Answer:
dissolved solids concentration