Exam (elaborations)
stationary engineer prep.
- Institution
- Ohio Stationary Steam Engineer License.
stationary engineer prep.
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stationary engineer prep2nd Grade stationary engineer license - ANS-not to exceed 8,380,000 BTU per hour
3rd grade stationary engineer license - ANS-not to exceed 3,352,000 BTU per hour
A boiler with excessive alkalinity that causes the boiler metal to breakdown is known as:
- ANS-caustic embrittlement
A centrifugal pump is a positive displacement pump. (true/false) - ANS-FALSE
A low water level condition in a steam boiler may cause: - ANS-overheating of the boiler
heating surfaces
A permit is required for a portable boiler intended for temporary use. (True/False) -
ANS-True
A permit shall be obtained from the city of Houston prior to installation,re-installation,
alteration, repair, or replacement boilers. (True/False) - ANS-True
A steam boiler operating at ____ or more will have two blowdown valves. - ANS-100
PSI
A thermohydraulic feedwater regulator operates when a boiler water leave increases or
decreases. (True/False) - ANS-True
All boilers are required to have a water column. (True/False) - ANS-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: - ANS-National
Board Inspection Code
At what frequency should the water column and low water fuel cutoff be blown down? -
ANS-Daily
Before doing any installations, changes, revisions, etc. What must first be obtained from
the city of Houston? - ANS-A permit
Boiler Permit - ANS-not to exceed 1,676,000 BTU per hour
, Boilers operating at 400 PSI or more should have what type of safety valve connection?
- ANS-Flange
Convection superheaters are located in the convection zone of a boiler. (True/False) -
ANS-FALSE, they are located in the Radiant Zone.
Define a Boiler Room: - ANS-A room which contains a boiler with its appliances, fittings
and auxiliaries needed for safe and efficient boiler operations.
Define a miniature boiler: - ANS-A power boiler that has a shell diameter of 16" or less,
a volume of 5 cubic feet or less, heating surface of 20 square ft or less and does not
exceed 100psi of steam output.
Economizers are located in the breeching zone of a boiler. (True/False) - ANS-True
Entrances and exits or access to boilers may be through conditioned spaces which are
under negative pressure. (True/False) - ANS-False
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: - ANS-it should be
closed no more than 80%
How many CFM of air do you supply for an electric boiler given the BTUH output? -
ANS-NONE
Name a device that helps prevent a furnace explosion: - ANS-Flamescanner
New boilers shall have an approved manual shut off valve with a handle: - ANS-within 3
feet of the boiler gas train
New boilers should have an approved manual shut off valve with a handle: - ANS-within
3 feet of the boiler gas train
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: - ANS-1st Grade Stationary Engineers
License
On new installations, all operating books and pamphlets should be made available to
the boiler inspector upon final inspection of the boiler. (true/false) - ANS-True
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