Michigan Hydronic and Process Piping Test Latest Update 2024-2025 Questions and 100% Verified Correct Answers Guaranteed A+
1.5 times the MAWP connected to the steam space or steam connection to the water
column - CORRECT ANSWER: Each steam boiler shall have a pressure gauge with a
range of not less than?
1.5x to 4x the operating pressure - CORRECT ANSWER: A miniature hobby locomotive boiler shall have a pressure gauge with a range between?
12" x 16" or equivalent area, the least dimension being 11" - CORRECT ANSWER: What is the minimum size for an access door in a boiler?
120 degrees F when a Deaerating heater is not employed and 215 degrees F when
they are. - CORRECT ANSWER: Feedwater temperature should be not less than...
133% of operating temp and 150% of operating pressure - CORRECT ANSWER: For
non-vaporizing organic fluid boilers what is the thermometer and pressure gauge graduation settings?
2, 1 of which shall be an approved feed pump, injector, or inspirator with the exception of boilers fired by gaseous, liquid or solid fuel in suspension which may have one. That one feed source must have a means of immediate shutoff of heat - CORRECT ANSWER: A boiler having more than 500 sq ft of water heating surface shall have how many means of feeding?
- except for when the boiler has 2 water glasses located on the same horizontal lines. -
CORRECT ANSWER: How many gauge cocks are required within a visible length of the water glass?
3/4" - CORRECT ANSWER: What is the minimum size for the valve or cock connected on blowoff piping connected at the lowest water space practicable?
50 psi - CORRECT ANSWER: A Blowdown Vessel shall have a minimum allowable
working pressure of what?
- psi for MAWP up to 60psi. 10% of MAWP for MAWP above 60 psi - CORRECT
ANSWER: With Max Heat input the pressure cannot rise more than?
6% above the highest pressure to which any valve is set and in no case more than 6%
above the MAWP - CORRECT ANSWER: What is the required safety valve capacity for
an existing Boiler?
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A Boiler repairer license class I allows for... - CORRECT ANSWER: Repair of a boiler by means other than welding, riveting, or other fabrication process
A Boiler repairer license class II allows for... - CORRECT ANSWER: Repair of low- pressure boilers, a hot water supply boiler, and a fire tube boiler of any pressure
A Boiler repairer license class III allows for... - CORRECT ANSWER: Repair of high pressure boilers and repair/replacement of non-boiler external piping
A Boiler repairer license class IV allows for... - CORRECT ANSWER: Repair of field- erect boilers of any pressure with the exception of nuclear heat source boilers or their parts
A Boiler repairer license class V allows for... - CORRECT ANSWER: Erection and repair of a boiler that has a nuclear heat source or it's parts, appurtenances, or system components
A licensed person found violating Act 407 / STRA may be penalized by... - CORRECT ANSWER: Placement of a limitation on license, suspension of license, denial of license or renewal, revocation of license, an administrative fine of up to $10,000, censure, probation, financial restitution.
A member of an STRA board shall be at least how old? - CORRECT ANSWER: 18
A Miniature Boiler is defined as? - CORRECT ANSWER: A power boiler that is not over 16" inside shell diameter, has a working pressure of no more than 100 psig, has a gross volume of no more than 5 cu. ft, and has no more than 20 sq. ft of heating surface
A person / corporation / goverment official charged with unlawful conduct issuing
permits who violates Act 230 may be subject to... - CORRECT ANSWER: Fine of not
more than $500, imprisonment for no more than 90 days, or both
A person found violating Act 407 / STRA a second time by performing work without a license is guilty of? - CORRECT ANSWER: A misdemeanor punishable by a fine up to $1000 or imprisonment for not more than 1 year, or both.
A person found violating Act 407 / STRA a third or subsequent time by performing work without a license is guilty of? - CORRECT ANSWER: A felony punishable by a fine of not more than $25,000 or imprisonment for not more than 5 years, or both.
A person violating Act 407 / STRA by performing work without a license is guilty of? -
CORRECT ANSWER: A misdemeanor punishable by a fine up to $500 or imprisonment
for not more than 90 days or both.
A valve or cock valve. - CORRECT ANSWER: Feed valves require what between the
check valve and the boiler?
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