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stationary engineer prep Exam/64 Questions and Answers
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stationary engineer prep Exam/64Questions and Answers
Entrances and exits or access to boilers may be through conditioned spaces
which are under negative pressure. (True/False) - -False
-All repairs made by welding shall be completed in accordance with the
recommended rules for repair by fusion welding to power boilers published in
the: - -National Board Inspection Code
-A low water level condition in a steam boiler may cause: - -overheating of
the boiler heating surfaces
-New boilers shall have an approved manual shut off valve with a handle: - -
within 3 feet of the boiler gas train
-The purpose of a water column in a steam boilers is to increase water
movement in the gauge glass. (True/False) - -False
-Positions #1-4 on the boiler code review and licensing board are appointed
by the: - -Mayor and confirmed by City Council
-Superheaters are used to increase pressure in a boiler. (True/False) - -False
-All boilers are required to have a water column. (True/False) - -False
-A permit is required for a portable boiler intended for temporary use.
(True/False) - -True
-A permit shall be obtained from the city of Houston prior to installation,re-
installation, alteration, repair, or replacement boilers. (True/False) - -True
-Spray type desuperheaters are used in conjunction with a pressure
reducing station. (True/False) - -True
-Thermal steam traps (thermostatic) can be used in both high and low
pressure steam plants. (True/False) - -True
-A thermohydraulic feedwater regulator operates when a boiler water leave
increases or decreases. (True/False) - -True
-Except on automatic boilers with prepurge/automatic controls and
dampers, on oil and solid fuel boilers when you put the damper in the closed
position: - -it should be closed no more than 80%
, -Tubular gauge glasses are used on boilers up to and including 250 PSI.
(True/False) - -True. (Also Try-Cocks)
-No person shall take charge of a boiler plant with an aggregate BTUH
output rating of more than 8,380,000 unless he/she has a: - -1st Grade
Stationary Engineers License
-A steam boiler operating at ____ or more will have two blowdown valves. - -
100 PSI
-A boiler with excessive alkalinity that causes the boiler metal to breakdown
is known as: - -caustic embrittlement
-What temperature does the Banka-Tin in a fusible plug melt? - -450
degrees F
-Boilers operating at 400 PSI or more should have what type of safety valve
connection? - -Flange
-The number .4335 related to one vertical foot of water is known as: - -
Hydro-static Pressure
-What chemical is considered an oxygen scavenger? - -Sodium Sulfite
-Steam pressure passes through a Globe Valve, changes direction of flow
the pressure is reduced. (True/False) - -True
-What device is used to control the firing cycle of a burner? - -Programmer
-At what frequency should the water column and low water fuel cutoff be
blown down? - -Daily
-Convection superheaters are located in the convection zone of a boiler.
(True/False) - -FALSE, they are located in the Radiant Zone.
-Economizers are located in the breeching zone of a boiler. (True/False) - -
True
-Name a device that helps prevent a furnace explosion: - -Flamescanner
-Purge air blown through a furnace before "lighting off" a boiler is detected
by an: - -Air Switch
-What is the most common type of water tube boiler? - -Straight Tube
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