Download Michigan Hydronic and Process Piping Test Practice Exam Questions with Q&A and more Exams Engineering in PDF only on Docsity!
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- What is the minimum clearance required between a boiler, it's controls, firing equipment, and appurtenances to building walls or other
boilers/machinery? - Answer ✔️ 24"
2. 133% of operating temp and 150% of operating pressure - Answer
✔️ For non-vaporizing organic fluid boilers what is the thermometer and
pressure gauge graduation settings?
3. 1.5x to 4x the operating pressure - Answer ✔️ A miniature hobby
locomotive boiler shall have a pressure gauge with a range between?
4. X = 10% ; Y = 1/2" - Answer ✔️ A miniature hobby locomotive boiler
shall have it's water level gauge glass located so that the top nut of the gauge glass is X% of the distance between the crown sheet and the shell not no less than Y inches above the crown sheet.
5. True - Answer ✔️ A miniature hobby locomotive shall have two safety
valves set at not more than 10% above the operating pressure, true or false.
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6. 50 psi - Answer ✔️ A Blowdown Vessel shall have a minimum
allowable working pressure of what?
- A vent connection, a drain connection, a thermometer with a max scale reading of 300°F located in the water outlet, and a pressure gauge
between 0-30 psi attached to the top of the steam space - Answer
✔️ The blowdown vessel shall contain which 4 components?
8. Direct spring-loaded pop-type valves or safety relief valves - Answer
✔️ Which type of safety valves should be used on a boiler?
- 6% above the highest pressure to which any valve is set and in no case
more than 6% above the MAWP - Answer ✔️ What is the required
safety valve capacity for an existing Boiler? 10.One or more shall be set at or below the MAWP and then all others can be set within a range of 3% above the MAWP. The range of setting of all the safety valves on a boiler shall not exceed 10% of the highest valve setting.
- Answer ✔️ What is the required safety valve pressure setting on an existing Boiler?
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16.Be limited have no outlet connections with the exception of regulators, drains, and gauges. The valved drain shall be at least 3/4" diameter. -
Answer ✔️ Water column connections shall...
17.3 except for when the boiler has 2 water glasses located on the same
horizontal lines. - Answer ✔️ How many gauge cocks are required
within a visible length of the water glass? 18.1.5 times the MAWP connected to the steam space or steam connection
to the water column - Answer ✔️ Each steam boiler shall have a
pressure gauge with a range of not less than?
19.True - Answer ✔️ True or false, each steam outlet from a power boiler
shall be fitted with a stop valve located as close as practicable to the boiler
20.Stop Valve - Answer ✔️ Each Boiler supply and return pipe connection
requires a...
21.No, only a cock type valve shall be used. - Answer ✔️ Are globe valves
permitted in blowoff piping connections?
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22.They shall be of at least XH thickness and be run full size without reducers
or bushings and shall not be galvanized. - Answer ✔️ When MAWP
exceeds 100 psig, what is a requirement for blowoff piping materials?
23.3/4" - Answer ✔️ What is the minimum size for the valve or cock
connected on blowoff piping connected at the lowest water space practicable?
24.For boilers > 36", 12". For boilers ≤ 36", 6". - Answer ✔️ Based on the
external width, what is the minimum distance between the bottom of the boiler and the floor line?
25.12" x 16" or equivalent area, the least dimension being 11" - Answer
✔️ What is the minimum size for an access door in a boiler?
26.One, and they should be set at or below the MAWP of the boiler -
Answer ✔️ How many pressure relief valves are required for hot
water heater boilers and what should they be set to? 27.The extra valve can be set between 6 psi up to a maximum of 60 psi or
10% of the MAWP. - Answer ✔️ When more than one pressure relief
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34.An appointment with the Act 230 State Construction Code Commission
lasts how long? - Answer ✔️ 2 years prior to 2007 and 4 years after
35.Act 230 Building permits shall be granted in part or in whole or denied
within how long? - Answer ✔️ 10 business days
36.True or False: An enforcing agency may suspend, revoke or cancel a building permit in case of failure or neglect to comply with Act 230
requirements - Answer ✔️ True
37.Act 230 violations may require penalties not to exceed...? - Answer
✔️ $500 for each violation or day that a violation continues
38.A person / corporation / goverment official charged with unlawful conduct issuing permits who violates Act 230 may be subject to... -
Answer ✔️ Fine of not more than $500, imprisonment for no more
than 90 days, or both 39.Civil Violation of Act 230 - Failure to obtain the required license prior to
performing work will result in... - Answer ✔️ Fined no less than $
and no more than $
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40.Act 230 became effective on what date? - Answer ✔️ January 1st,
41.Act No. 407 is also known as what? - Answer ✔️ Skilled Trades
Regulation Act (STRA) 42.Act No. 407 / Skilled Trades Regulation Act became effective as of what
date? - Answer ✔️ April 4, 2017
43.Article 1 of the Skilled Trades Regulation Act Covers... - Answer
✔️ Short title, definitions, and effects of former acts
44.Article 2 of the Skilled Trades Regulation Act Covers... - Answer
✔️ Issuance of Licenses
45.Article 3 of the Skilled Trades Regulation Act Covers... - Answer
✔️ Board Membership and Voting
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52.Article 10 of the Skilled Trades Regulation Act Covers... - Answer
✔️ Building Officials and Inspectors
53.Article 11 of the Skilled Trades Regulation Act Covers... - Answer
✔️ Plumbers and Plumbing Contractors
54.According to STRA, Boards shall consist of... - Answer ✔️ 9 voting
members. 6 who have a license or registration in the occupation the board monitors. 3 general pubic members
55.A member of an STRA board shall be at least how old? - Answer ✔️ 18
56.STRA board membership lasts how long? - Answer ✔️ 4 years
57.Appointments to the STRA board is made by whom? - Answer ✔️ The
Governor 58.An STRA license may be renewed within 60 days after the expiration date -
True or False - Answer ✔️ True, with late renewal fee payment
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59.A person violating Act 407 / STRA by performing work without a license is
guilty of? - Answer ✔️ A misdemeanor punishable by a fine up to
$500 or imprisonment for not more than 90 days or both. 60.A person found violating Act 407 / STRA a second time by performing
work without a license is guilty of? - Answer ✔️ A misdemeanor
punishable by a fine up to $1000 or imprisonment for not more than 1 year, or both. 61.A person found violating Act 407 / STRA a third or subsequent time by
performing work without a license is guilty of? - Answer ✔️ A felony
punishable by a fine of not more than $25,000 or imprisonment for not more than 5 years, or both. 62.A licensed person found violating Act 407 / STRA may be penalized by... -
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.
63.STRA lists the examination fee at? - Answer ✔️ $
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69.MAWP refers to? - Answer ✔️ Maximum allowable working pressure
which is the maximum gage pressure permissible for a boiler to operate 70.Hot Water Heating and Hot Water Supply Boilers are classified as? -
Answer ✔️ A boiler that operates at pressures not over 160 psi or
temperatures not over 250°F
71.A Miniature Boiler is defined as? - 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 72.New Boiler is defined as a boiler constructed, installed, placed in
operation, or contracted after what date? - Answer ✔️ July 1st, 1966
73.A Water Heater is defined as what? - Answer ✔️ A heater supplying
potable hot water at pressures not exceeding 160psi or temperatures not exceeding 210°F. A water heater does not exceed 200,000 BTU/hr or a capacity of more that 120 gallons
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74.May a single manually-operated remote shutdown switch be used in a multiple boiler installation that shares a common boiler room? -
Answer ✔️ Yes
75.True or False, if multiple contractors are performing separate work on the same boiler only one contractor is required to be licensed and obtain a
permit? - Answer ✔️ False, all contractors must be licensed and
obtain a permit for the work to be performed
76.Boiler installer license class 1B allows for... - Answer ✔️ Installation of
a low-pressure boiler or group of modular boilers not to exceed 1,000, BTU/hr
77.Boiler installer license class 2B allows for... - Answer ✔️ Installation of
a low-pressure boiler of any capacity or firing rate and any class 1B work
78.Boiler installer license class 3B allows for... - Answer ✔️ Installation of
a power boiler that has a capacity of no more than 5,000 pounds of steam/hr and install non-boiler external piping as defined by ASME B31.
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85.A Boiler repairer license class III allows for... - Answer ✔️ Repair of
high pressure boilers and repair/replacement of non-boiler external piping
86.A Boiler repairer license class IV allows for... - Answer ✔️ Repair of
field-erect boilers of any pressure with the exception of nuclear heat source boilers or their parts
87.A Boiler repairer license class V allows for... - Answer ✔️ Erection and
repair of a boiler that has a nuclear heat source or it's parts, appurtenances, or system components
