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Louisiana New Orleans Second Class Stationary Air
Conditioning-LA Contractor Exam||Verified Questions
with Correct Answers and explanations LATEST THIS
YEAR|| NEWEST EXAM!!!
What can you do with a second class engineer license? -
Answer-To have charge of and operate a boiler or boilers
and to have charge and operate engines no one of which
shall exceed 150 HP or to operate a first class plant under
the engineer in direct charge thereof
Which air conditioning units require inspection? - Answer-
Air conditioning units of over 20 tons shall be inspected
every year
Who can appeal the results of an engineer's exam? -
Answer-Anyone aggrieved by the action of a single
examiner may appeal
How often is the engineer in charge required to visit the
plant? - Answer-The engineer in charge is expected to visit
the plant on a monday to friday basis and to leave written
instructions weekends/ absence
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A boiler plant has two 500 BHP boilers and a 50 HP steam
turbine. What license is required to be the engineer in
charge? - Answer-This plant would require a second class
engineer (or higher) to be the engineer in charge
Describe a boiler plant that allows non-continuous
attendance? - Answer-A boiler plant with higher pressure
boilers between 250 and 500 BHP would require non-
continuous attendance
How many BTU's are in one boiler horsepower? - Answer-
One BHP is equivalent to 33,475 BTU's
What size turbine can a first class fireman operate? -
Answer-a first class fireman can operate turbines up to 50
HP
What set of regulations pertain to pollution laws in mass? -
Answer-310 CMR 7.00 air pollution control
What constitutes an opacity violation? - Answer-a) opacity
greater than #1 on the Ringleman scale (20%) for greater
than 6 minutes in any one hour or, at any time exceeds #2
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(40%) on the Ringleman scale. b) greater than 20% for 2
minutes. May elect not greater than 15% and/or 27%
dependent on plant/ location
Where would you find instructions on how to prepare a
boiler for an internal inspection? - Answer-Instructions for
preparing a steam boiler for inspection will be found in 522
CMR 2.06 paragraph 4 Preperation for Inspection.
Accordance with NBIC, Engineer in Charge responsible.
What information is on a boiler Certificate of Inspection? -
Answer-Certificate of Inspection: Name of owner/ user,
location, size and number of boilers, date of inspection,
signature of inspector, MAWP
How often should boilers be inspected in Mass? - Answer-
Boilers over 15 PSI, unless otherwise exempt, shall be
inspected internally and externally once per year
Describe a hydrostatic test in detail - Answer-Remove or
gag safety valve(s), valve out gage glass, fill boiler with
clean treated water (70-120F) until water comes out vent,
close vent and increase pressure with pump until reaching
1 1/2 times MAWP, hold this pressure as long as directed
by authorized inspector, reduce pressure to MAWP for
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close visual inspection of boiler. Upon completion, remove
pressure and restore water level to N.O.W.I
At what pressure and how often should air tanks be
inspected? - Answer-Air tanks over 50 PSI, unless
otherwise exempt, shall be inspected every 2 years
How is boiler horsepower determined in Mass? - Answer-
Manufacturers tag, steam output (lbs/hr) divided by 34.5,
BTU/ hr input divided by 41,840 or BTU/ hr output divided
by 33,475
Where would you find instructions on safety placement if
you install an air compressor that discharges to two
receiver's? - Answer-Instructions for this situation will be
found in 522 CMR 7.03 air tank safety valves, paragraphs
8 and 11
Name 3 different boiler inspectors - Answer-Boiler
inspector employed by DPS, employed by insurance
companies, and those employed by manufacturers (shop
inpectors)
Louisiana New Orleans Second Class Stationary Air
Conditioning-LA Contractor Exam||Verified Questions
with Correct Answers and explanations LATEST THIS
YEAR|| NEWEST EXAM!!!
What can you do with a second class engineer license? -
Answer-To have charge of and operate a boiler or boilers
and to have charge and operate engines no one of which
shall exceed 150 HP or to operate a first class plant under
the engineer in direct charge thereof
Which air conditioning units require inspection? - Answer-
Air conditioning units of over 20 tons shall be inspected
every year
Who can appeal the results of an engineer's exam? -
Answer-Anyone aggrieved by the action of a single
examiner may appeal
How often is the engineer in charge required to visit the
plant? - Answer-The engineer in charge is expected to visit
the plant on a monday to friday basis and to leave written
instructions weekends/ absence
,2|Page
A boiler plant has two 500 BHP boilers and a 50 HP steam
turbine. What license is required to be the engineer in
charge? - Answer-This plant would require a second class
engineer (or higher) to be the engineer in charge
Describe a boiler plant that allows non-continuous
attendance? - Answer-A boiler plant with higher pressure
boilers between 250 and 500 BHP would require non-
continuous attendance
How many BTU's are in one boiler horsepower? - Answer-
One BHP is equivalent to 33,475 BTU's
What size turbine can a first class fireman operate? -
Answer-a first class fireman can operate turbines up to 50
HP
What set of regulations pertain to pollution laws in mass? -
Answer-310 CMR 7.00 air pollution control
What constitutes an opacity violation? - Answer-a) opacity
greater than #1 on the Ringleman scale (20%) for greater
than 6 minutes in any one hour or, at any time exceeds #2
,3|Page
(40%) on the Ringleman scale. b) greater than 20% for 2
minutes. May elect not greater than 15% and/or 27%
dependent on plant/ location
Where would you find instructions on how to prepare a
boiler for an internal inspection? - Answer-Instructions for
preparing a steam boiler for inspection will be found in 522
CMR 2.06 paragraph 4 Preperation for Inspection.
Accordance with NBIC, Engineer in Charge responsible.
What information is on a boiler Certificate of Inspection? -
Answer-Certificate of Inspection: Name of owner/ user,
location, size and number of boilers, date of inspection,
signature of inspector, MAWP
How often should boilers be inspected in Mass? - Answer-
Boilers over 15 PSI, unless otherwise exempt, shall be
inspected internally and externally once per year
Describe a hydrostatic test in detail - Answer-Remove or
gag safety valve(s), valve out gage glass, fill boiler with
clean treated water (70-120F) until water comes out vent,
close vent and increase pressure with pump until reaching
1 1/2 times MAWP, hold this pressure as long as directed
by authorized inspector, reduce pressure to MAWP for
, 4|Page
close visual inspection of boiler. Upon completion, remove
pressure and restore water level to N.O.W.I
At what pressure and how often should air tanks be
inspected? - Answer-Air tanks over 50 PSI, unless
otherwise exempt, shall be inspected every 2 years
How is boiler horsepower determined in Mass? - Answer-
Manufacturers tag, steam output (lbs/hr) divided by 34.5,
BTU/ hr input divided by 41,840 or BTU/ hr output divided
by 33,475
Where would you find instructions on safety placement if
you install an air compressor that discharges to two
receiver's? - Answer-Instructions for this situation will be
found in 522 CMR 7.03 air tank safety valves, paragraphs
8 and 11
Name 3 different boiler inspectors - Answer-Boiler
inspector employed by DPS, employed by insurance
companies, and those employed by manufacturers (shop
inpectors)
