NBIC Part 1 and 2 Questions with
verified answers graded A+
An operational test may not be used as the final acceptance of the boiler
installation. True or False? - correct answer ✔✔False, NBIC Part 2 allows an
operational test to serve as evidence that the installation complies with the
governing code of construction.
When boilers are connected to a common header, they shall be fitted with two
step valves having an ample free-blow drain between them, for each boiler having
a..... - correct answer ✔✔Manhole (Part 1, 2.7.3)
A steam boiler with a fixed water line that operates at 450 psig is required to
have... - correct answer ✔✔Two direct reading water-gage glasses (NBIC Part 1,
2.8.1)
Austenitic stainless steel steam supply stop valves are permitted in water wetted
service. True or false? - correct answer ✔✔False, NBIC Part 1, 2.7.3 prohibits the
use of austenitic stainless steel in water wetted service.
Prior to initial operation, the completed boiler shall be pressure tested in
accordance with the original code of construction and pressure piping and fittings
connected to the boiler when shipped shall be... - correct answer
✔✔Hydrostatically tested (NBIC part 1, 2.10.2, 1.6.10)
, Pressure relief valves shall be connected to the boiler without any unnecessary
intervening pipe or fittings.... - correct answer ✔✔Independent of any connection
(NBIC part 1, 2.9.1.2c)
What type of low-water fuel cutoff is required for an electrode-type electric steam
boiler? - correct answer ✔✔None required (NBIC Part 1, 2.8.5e, no low-water
cutoff is required for electrode-type boilers)
Feedwater other than condensate return shall not be introduced through the
blowoff piping. True or false? - correct answer ✔✔True (NBIC Part 1, 2.5.1.2c)
An economizer that cannot be isolated from the boiler requires a minimum of.... -
correct answer ✔✔0 pressure relief valves, an economizer does not require a
pressure relief valve unless the economizer can be isolated from the boiler.
If there are two egress doors in a 600 sq. Ft. Equipment room, how many remote
emergency shutdown switches will be required? - correct answer ✔✔2 remote
emergency shutdown switches. (NBIC Part 1, 2.5.3.2b)
A blowdown tank connected to sanitary sewer blowdown water shall be cooled to
at least ___________ and the pressure reduced to ___________. - correct answer
✔✔140F, 5 psig (NBIC Part 1, 3.6.3)
What is the minimum allowed temperature rating of the stop valve or cock for
hot-water heating boiler? - correct answer ✔✔250F (NBIC part 1, 3.7.5.1d)
verified answers graded A+
An operational test may not be used as the final acceptance of the boiler
installation. True or False? - correct answer ✔✔False, NBIC Part 2 allows an
operational test to serve as evidence that the installation complies with the
governing code of construction.
When boilers are connected to a common header, they shall be fitted with two
step valves having an ample free-blow drain between them, for each boiler having
a..... - correct answer ✔✔Manhole (Part 1, 2.7.3)
A steam boiler with a fixed water line that operates at 450 psig is required to
have... - correct answer ✔✔Two direct reading water-gage glasses (NBIC Part 1,
2.8.1)
Austenitic stainless steel steam supply stop valves are permitted in water wetted
service. True or false? - correct answer ✔✔False, NBIC Part 1, 2.7.3 prohibits the
use of austenitic stainless steel in water wetted service.
Prior to initial operation, the completed boiler shall be pressure tested in
accordance with the original code of construction and pressure piping and fittings
connected to the boiler when shipped shall be... - correct answer
✔✔Hydrostatically tested (NBIC part 1, 2.10.2, 1.6.10)
, Pressure relief valves shall be connected to the boiler without any unnecessary
intervening pipe or fittings.... - correct answer ✔✔Independent of any connection
(NBIC part 1, 2.9.1.2c)
What type of low-water fuel cutoff is required for an electrode-type electric steam
boiler? - correct answer ✔✔None required (NBIC Part 1, 2.8.5e, no low-water
cutoff is required for electrode-type boilers)
Feedwater other than condensate return shall not be introduced through the
blowoff piping. True or false? - correct answer ✔✔True (NBIC Part 1, 2.5.1.2c)
An economizer that cannot be isolated from the boiler requires a minimum of.... -
correct answer ✔✔0 pressure relief valves, an economizer does not require a
pressure relief valve unless the economizer can be isolated from the boiler.
If there are two egress doors in a 600 sq. Ft. Equipment room, how many remote
emergency shutdown switches will be required? - correct answer ✔✔2 remote
emergency shutdown switches. (NBIC Part 1, 2.5.3.2b)
A blowdown tank connected to sanitary sewer blowdown water shall be cooled to
at least ___________ and the pressure reduced to ___________. - correct answer
✔✔140F, 5 psig (NBIC Part 1, 3.6.3)
What is the minimum allowed temperature rating of the stop valve or cock for
hot-water heating boiler? - correct answer ✔✔250F (NBIC part 1, 3.7.5.1d)
