2018 Michigan Hydronic and Process Piping Test Quiz
Questions with CORRECT Answers (Grade A+)
Question 1:
MAWP refers to?
Answer:
Maximum allowable working pressure which is the maximum gage pressure permissible for a boiler to
operate
Question 2:
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
Question 3:
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
Question 4:
New Boiler is defined as a boiler constructed, installed, placed in operation, or contracted after what
date?
Answer:
July 1st, 1966
Question 5:
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
, Question 6:
May a single manually-operated remote shutdown switch be used in a multiple boiler installation that
shares a common boiler room?
Answer:
Yes
Question 7:
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
Question 8:
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
Question 9:
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
nonboiler external piping as defined by ASME B31.1
Question 10:
Boiler installer license class 4B allows for...
Answer:
Installation of a boiler with a capacity of no more than 300,000 pounds of steam/hr and install
non-boiler external piping as defined by ASME B31.1
Question 11:
Boiler installer license class 5B allows for...
Answer:
Installation of a boiler of any capacity or firing rate excluding nuclear heat source boilers
Questions with CORRECT Answers (Grade A+)
Question 1:
MAWP refers to?
Answer:
Maximum allowable working pressure which is the maximum gage pressure permissible for a boiler to
operate
Question 2:
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
Question 3:
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
Question 4:
New Boiler is defined as a boiler constructed, installed, placed in operation, or contracted after what
date?
Answer:
July 1st, 1966
Question 5:
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
, Question 6:
May a single manually-operated remote shutdown switch be used in a multiple boiler installation that
shares a common boiler room?
Answer:
Yes
Question 7:
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
Question 8:
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
Question 9:
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
nonboiler external piping as defined by ASME B31.1
Question 10:
Boiler installer license class 4B allows for...
Answer:
Installation of a boiler with a capacity of no more than 300,000 pounds of steam/hr and install
non-boiler external piping as defined by ASME B31.1
Question 11:
Boiler installer license class 5B allows for...
Answer:
Installation of a boiler of any capacity or firing rate excluding nuclear heat source boilers
