NYC High Pressure Boiler License Exam Prep Latest
350 Questions and Correct Answers Review/ NYC
High Pressure Boiler Exam Prep Test Bank
all boiler fittings are what standard? - ANSWER-ASME
the lowest permissible water level in a miniature boiler is? - ANSWER-1/3"
the minimum size of a feed water connection to a miniature boiler is? - ANSWER-
1/2"
all miniature boiler openings in the boiler shall be (construction) _____ or _____
reinforcement? how many threads? - ANSWER-mechanical construction with a
minimum 4 threads or welded
how many brass washout plugs are on a miniature boiler with less than 12" ID of
shell and less than 10 sq ft of heating surface? - ANSWER-only 2, where one may
be used as a blow down line
where the brass washout plugs of miniature boilers shall be screwed into? -
ANSWER-on the bottom part of the miniature boiler
a miniature boiler has less than ____ MAWP. - ANSWER-less than 100 MAWP
(PSI)
a miniature boiler has up to __ sq ft of heating surface. - ANSWER-20 sq ft of
heating surface
1
,a miniature boiler has up to __ cubic feet of gross volume. - ANSWER-5 cubic
feet of gross volume
a miniature boiler has up to __" of ID of shell? - ANSWER-16" inner diameter
any mouth protector on a boiler shall be locked or sealed ____, what type? -
ANSWER-locked or sealed open, of the straight way type
when are fusible plugs replaced? - ANSWER-annually
when a discharge pipe is used on a safety valve it shall be ____(size) of the safety
valve, and fitted with an _____ drain? - ANSWER-no less than the same size,
fitted with an open drain
three different ways to check the safety valve capacity? - ANSWER-accumulation
test, maximum amount of fuel burned, maximum evaporative capacity of feed
water
if a boiler has a lap seal crack it shall be? - ANSWER-discontinued
what is stamped on a boiler? - ANSWER-serial #, name of manufacturer, serial #
of manufacturer, MAWP, heating surface, year built, and rated steam capacity
what is stamped on a boiler identification plate? - ANSWER-name, ID#, class,
tensile strength (according to high pressure code)
2
,safety valves are ____ or held by a ____ during a hydrostatic test? - ANSWER-
removed or approved clamp
if a boiler is gravity fed, there shall be what valves on the line? - ANSWER-a stop
valve as close as the boiler as possible followed by a check valve
what must you not adjust on the safety valve during a hydrostatic test? -
ANSWER-the compression screw
what is the max psig of a water column constructed of cast iron? malleable iron? -
ANSWER-cast iron = 250, malleable = 350
what is the minimum size of the blow off piping? - ANSWER-3/4"
when shall a water column have a shield of a sleeve? - ANSWER-over 400 psig
what is the minimum size of a feed water piping connection to a boiler with less
than 100 sq ft of heating surface? more than 100 sq ft of heating surface? -
ANSWER-the minimum less than 100 sq ft is 1/2", and more than 100 sq ft is 3/4"
when shall a boiler have a least two means of feed water? - ANSWER-when the
boiler is over 500 sq ft of heating surface
how many drains are on a super heater and is the minimum size is inches? -
ANSWER-1 drain measuring a minimum 1"
boilers have 2 bottom blow downs when the MAWP exceeds _____ psi. -
ANSWER-100 psi
3
, what schedule pipe can you use on a boiler blow down lines? - ANSWER-
schedule 80
what is the maximum size of a blow down valve? minimum size and less than how
many sq feet? - ANSWER-2-1/2", 3/4", less than 100 sq ft
how many gage cocks are on a boiler with less than 36" and 100 sq ft of surface? -
ANSWER-2
how many gage cocks are on a boiler with over 36" and more than 100 sq feet of
surface? - ANSWER-3
what size are the gage cocks on a boiler? - ANSWER-1/2"
how many gage cocks does a boiler have with two water glasses on the same
horizontal line? - ANSWER-2 cocks @ 1/2"
any valve used as a shut off to a water column shall be sealed ____ and ____. -
ANSWER-sealed open and locked
HRT fire tube boiler what is the minimum water level in a gage glass? -
ANSWER-3"
what can be attached to the same outlet from a super heater that is used also for the
safety valve connection? - ANSWER-soot blower
4
350 Questions and Correct Answers Review/ NYC
High Pressure Boiler Exam Prep Test Bank
all boiler fittings are what standard? - ANSWER-ASME
the lowest permissible water level in a miniature boiler is? - ANSWER-1/3"
the minimum size of a feed water connection to a miniature boiler is? - ANSWER-
1/2"
all miniature boiler openings in the boiler shall be (construction) _____ or _____
reinforcement? how many threads? - ANSWER-mechanical construction with a
minimum 4 threads or welded
how many brass washout plugs are on a miniature boiler with less than 12" ID of
shell and less than 10 sq ft of heating surface? - ANSWER-only 2, where one may
be used as a blow down line
where the brass washout plugs of miniature boilers shall be screwed into? -
ANSWER-on the bottom part of the miniature boiler
a miniature boiler has less than ____ MAWP. - ANSWER-less than 100 MAWP
(PSI)
a miniature boiler has up to __ sq ft of heating surface. - ANSWER-20 sq ft of
heating surface
1
,a miniature boiler has up to __ cubic feet of gross volume. - ANSWER-5 cubic
feet of gross volume
a miniature boiler has up to __" of ID of shell? - ANSWER-16" inner diameter
any mouth protector on a boiler shall be locked or sealed ____, what type? -
ANSWER-locked or sealed open, of the straight way type
when are fusible plugs replaced? - ANSWER-annually
when a discharge pipe is used on a safety valve it shall be ____(size) of the safety
valve, and fitted with an _____ drain? - ANSWER-no less than the same size,
fitted with an open drain
three different ways to check the safety valve capacity? - ANSWER-accumulation
test, maximum amount of fuel burned, maximum evaporative capacity of feed
water
if a boiler has a lap seal crack it shall be? - ANSWER-discontinued
what is stamped on a boiler? - ANSWER-serial #, name of manufacturer, serial #
of manufacturer, MAWP, heating surface, year built, and rated steam capacity
what is stamped on a boiler identification plate? - ANSWER-name, ID#, class,
tensile strength (according to high pressure code)
2
,safety valves are ____ or held by a ____ during a hydrostatic test? - ANSWER-
removed or approved clamp
if a boiler is gravity fed, there shall be what valves on the line? - ANSWER-a stop
valve as close as the boiler as possible followed by a check valve
what must you not adjust on the safety valve during a hydrostatic test? -
ANSWER-the compression screw
what is the max psig of a water column constructed of cast iron? malleable iron? -
ANSWER-cast iron = 250, malleable = 350
what is the minimum size of the blow off piping? - ANSWER-3/4"
when shall a water column have a shield of a sleeve? - ANSWER-over 400 psig
what is the minimum size of a feed water piping connection to a boiler with less
than 100 sq ft of heating surface? more than 100 sq ft of heating surface? -
ANSWER-the minimum less than 100 sq ft is 1/2", and more than 100 sq ft is 3/4"
when shall a boiler have a least two means of feed water? - ANSWER-when the
boiler is over 500 sq ft of heating surface
how many drains are on a super heater and is the minimum size is inches? -
ANSWER-1 drain measuring a minimum 1"
boilers have 2 bottom blow downs when the MAWP exceeds _____ psi. -
ANSWER-100 psi
3
, what schedule pipe can you use on a boiler blow down lines? - ANSWER-
schedule 80
what is the maximum size of a blow down valve? minimum size and less than how
many sq feet? - ANSWER-2-1/2", 3/4", less than 100 sq ft
how many gage cocks are on a boiler with less than 36" and 100 sq ft of surface? -
ANSWER-2
how many gage cocks are on a boiler with over 36" and more than 100 sq feet of
surface? - ANSWER-3
what size are the gage cocks on a boiler? - ANSWER-1/2"
how many gage cocks does a boiler have with two water glasses on the same
horizontal line? - ANSWER-2 cocks @ 1/2"
any valve used as a shut off to a water column shall be sealed ____ and ____. -
ANSWER-sealed open and locked
HRT fire tube boiler what is the minimum water level in a gage glass? -
ANSWER-3"
what can be attached to the same outlet from a super heater that is used also for the
safety valve connection? - ANSWER-soot blower
4
