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A high pressure boiler must have two means of feed water supply if it
exceeds_______horsepower?
- answer-50
A high pressure boiler of 25 HO should be checked every?
- answer-24 hrs.
A high pressure steam boiler is a boiler with an MAVP of more than_______psi?
- answer-15
A____ valve is a that permits fluid flow in only one direction and closes
automatically to prevent blackflow
- answer-Check
According to the Minnesota boiler statues a high pressure boiler plant 31 to 200
horsepower may be left in operation unattended by an operating engineer for no
more than _______consecutive hours when the permisses are occupied by
employees or the public?
- answer-Two
After new boiler is installed, but before it is put into operation, this test must be
performed and witnessed by State Boiler Inspector?
- answer-Hydro static Test
After repair work is done on the boiler what test is used to check for leaks?
- answer-Hydro static test
An indicator of soot build-up on a boiler is?
- answer-High Stack temperature
, Before starting a steam or hot boiler, you should be check for?
- answer-Water in the boiler.
Boiler and boiler fitting used in the state of Minnesota must be constructed to what
code?
- answer-A.S.M.E
Boiler are considered low pressure when?
- answer-Steam Boiler are not over 15 psi and liquid boiler are not over psi 160
and 250 deg. F
Boiler heating is defining as :
- answer-Water on one side hot gases on the other side.
Boiler operating data commonly recorded in a boiler room logbook includes?
- answer-When the boiler checks were made, Who made the boiler checks, What
specific checks were made.
Boilers equipped with 2 LWCO's must have what on the auxiliary LWCO?
- answer-Manual reset
Can a low water low water condition i a hot water heating type boiler?
- answer-Yes, for numerous reasons
Each boiler in a battery (pipe together sharing the same common header) must
have:
- answer-A main stem stop
For high pressure boilers, a year is defined as?
- answer-2000 hours
For licensing purposes, when the boiler heating surface cannot be discerned, the
boiler horsepower shall be determinated by dividing the BTU input by______?
- answer-67,000
For the purpose of rating boiler horsepower for engineer license classifications
only. How many sq. ft. of heating surface shall be considered equivalent to one
boiler horsepower for conventional boiler?
- answer-10 sq. ft.