MA 2ND FIREMAN EXAM/NEWEST 2025 WITH
COMPLETE QUESTIONS AND CORRECT VERIFIED
ANSWERS/ WELL GRADED A+// LATEST VERSION
What is steam bound in relation to pumps? And what is air bound? And how do you
correct these situations? - CORRECT ANSWERS-Steam bound is when the water
flashes to steam at the inlet of the pump causing cavitation cool the water coming into
the pump to correct the situation
Air bound is when air is trapped in the pump causing pump malfunctioning
to correct the situation fill the pump with water and let the air out through the vent
How do you blow soot on the boiler? List all precautionary steps taken. - CORRECT
ANSWERS-Using soot blowers, check connectivity and operation, make sure path is
clear of obstruction or leakage, soot blowing should be done with the air on manual at
maximum level and the boiler load over 50%
According to Chapter 146 of the Massachusetts General Law, what can you do with a
second class fireman license? - CORRECT ANSWERS-Operate any boiler or boilers
under the engineer or fireman in direct charge there of.
How do you take over a shift? - CORRECT ANSWERS-Talk to the operator you are
relieving, read the log, make a round and do safety
checks check water level
How often do boilers require inspection? - CORRECT ANSWERS-Internal and external
inspection of the boiler is required by Law once a year
Who will inspect your boiler? - CORRECT ANSWERS-an insurance company approved
by the state or a state inspector. first inspection is
done by the state inspector.
How often do air tanks need to be inspected? What size
tanks? - CORRECT ANSWERS-air tanks holding one cubic foot of air and have a
diameter greater than 6"
operating over pressure of 50 psi require inspection every other year.
Where do you keep your license? - CORRECT ANSWERS-Posted in view/boiler room
In relation to boiler attendance, define continuous, non-continuous and periodic
attendance. - CORRECT ANSWERS-Periodic inspection: between 9-250 HP must be in
the same building,
check on the boiler on a periodic basis. Non-continuous between 251 and 500 hp
check on the boiler 4 to 6 times per shift, remote monitoring required. Continuous
attendance over 500 hp manned all the times
,How many low water cut outs are required by the state code? - CORRECT ANSWERS-
two, the one set
lower requires a manual reset.
How many pressure limit switches are required by the State code? - CORRECT
ANSWERS-two the one
set higher require a manual reset.
British Thermal Unit (BTU) is - CORRECT ANSWERS-The amount of heat required to
raise one pound of water one degree Fahrenheit
Safety valve should be tested by hand at which pressure - CORRECT ANSWERS-75%
of working load
A siphon protects the steam gauge from - CORRECT ANSWERS-High temperature of
steam
Who is authorized to repair and adjust safety valves - CORRECT ANSWERS-
manufacturer's representative
A drum vent should be closed when the boiler pressure increases to - CORRECT
ANSWERS-25 PSI
Periodic attendance covers boiler horsepower from - CORRECT ANSWERS-9-250 BHP
The Ringleman scale is associated with - CORRECT ANSWERS-Smoke density
Steam traps are used to - CORRECT ANSWERS-Remove air and water from
steamlines
Excess air is - CORRECT ANSWERS-Air supplied to the combustion process that is
more than the theoretical amount required
What is viscosity - CORRECT ANSWERS-Internal resistance to fuel oil flow
Lowest temperature that oil will flow is it's - CORRECT ANSWERS-Pour point
Oxygen in boiler water will cause - CORRECT ANSWERS-Pitting
Frequency of boiler blowdown is best determined by - CORRECT ANSWERS-Daily
testing of boiler water
Burning pulverized coal requires how much excess air - CORRECT ANSWERS-30%
, What is the difference between a rotary pump and centrifugal pump - CORRECT
ANSWERS-Rotary is positive displacement, centrifugal is not
In reference to a duplex pump, what do 3x2x6 represent - CORRECT ANSWERS-
Diameter of steam piston, diameter of fluid piston and length of stroke
A centrifugal pump should be started with the discharge valve - CORRECT ANSWERS-
Closed
Which steam trap has no moving parts? - CORRECT ANSWERS-None of the above
Two types of air pre heaters are - CORRECT ANSWERS-Tubular and regenerative
Two blowdown valves are required in boilers operating - CORRECT ANSWERS-At 100
PSI and over
How many BTU's are required to raise 25 lbs of water 15 degrees Fahrenheit -
CORRECT ANSWERS-375 BTU's
How much notice is required for an internal boiler inspection - CORRECT ANSWERS-
14 days
Two types of soot blowers are - CORRECT ANSWERS-Stationary and retractable
A non return valve allows steam to flow - CORRECT ANSWERS-Out of the boiler only
Baffles are used to - CORRECT ANSWERS-Direct flue gas through the boiler
10" of HG is equivalent to_____PSIA - CORRECT ANSWERS-4.91
One BTU is equivalent to______ft/lbs of work - CORRECT ANSWERS-778
The circumference of a fire tube 4" in diameter is - CORRECT ANSWERS-12.56 inches
If the safety valve is removed for a hydrostatic test a_____should be installed -
CORRECT ANSWERS-Blank/blind flange
Specific volume is expressed as - CORRECT ANSWERS-Ft³ per pound
Latent heat is - CORRECT ANSWERS-Heat added to a substance that causes a
change of state
A check valve is required between the - CORRECT ANSWERS-Feed pump and boiler
Boiler heating surface is defined as the parts of the boiler with - CORRECT ANSWERS-
Water on one side and products of combustion in the other
COMPLETE QUESTIONS AND CORRECT VERIFIED
ANSWERS/ WELL GRADED A+// LATEST VERSION
What is steam bound in relation to pumps? And what is air bound? And how do you
correct these situations? - CORRECT ANSWERS-Steam bound is when the water
flashes to steam at the inlet of the pump causing cavitation cool the water coming into
the pump to correct the situation
Air bound is when air is trapped in the pump causing pump malfunctioning
to correct the situation fill the pump with water and let the air out through the vent
How do you blow soot on the boiler? List all precautionary steps taken. - CORRECT
ANSWERS-Using soot blowers, check connectivity and operation, make sure path is
clear of obstruction or leakage, soot blowing should be done with the air on manual at
maximum level and the boiler load over 50%
According to Chapter 146 of the Massachusetts General Law, what can you do with a
second class fireman license? - CORRECT ANSWERS-Operate any boiler or boilers
under the engineer or fireman in direct charge there of.
How do you take over a shift? - CORRECT ANSWERS-Talk to the operator you are
relieving, read the log, make a round and do safety
checks check water level
How often do boilers require inspection? - CORRECT ANSWERS-Internal and external
inspection of the boiler is required by Law once a year
Who will inspect your boiler? - CORRECT ANSWERS-an insurance company approved
by the state or a state inspector. first inspection is
done by the state inspector.
How often do air tanks need to be inspected? What size
tanks? - CORRECT ANSWERS-air tanks holding one cubic foot of air and have a
diameter greater than 6"
operating over pressure of 50 psi require inspection every other year.
Where do you keep your license? - CORRECT ANSWERS-Posted in view/boiler room
In relation to boiler attendance, define continuous, non-continuous and periodic
attendance. - CORRECT ANSWERS-Periodic inspection: between 9-250 HP must be in
the same building,
check on the boiler on a periodic basis. Non-continuous between 251 and 500 hp
check on the boiler 4 to 6 times per shift, remote monitoring required. Continuous
attendance over 500 hp manned all the times
,How many low water cut outs are required by the state code? - CORRECT ANSWERS-
two, the one set
lower requires a manual reset.
How many pressure limit switches are required by the State code? - CORRECT
ANSWERS-two the one
set higher require a manual reset.
British Thermal Unit (BTU) is - CORRECT ANSWERS-The amount of heat required to
raise one pound of water one degree Fahrenheit
Safety valve should be tested by hand at which pressure - CORRECT ANSWERS-75%
of working load
A siphon protects the steam gauge from - CORRECT ANSWERS-High temperature of
steam
Who is authorized to repair and adjust safety valves - CORRECT ANSWERS-
manufacturer's representative
A drum vent should be closed when the boiler pressure increases to - CORRECT
ANSWERS-25 PSI
Periodic attendance covers boiler horsepower from - CORRECT ANSWERS-9-250 BHP
The Ringleman scale is associated with - CORRECT ANSWERS-Smoke density
Steam traps are used to - CORRECT ANSWERS-Remove air and water from
steamlines
Excess air is - CORRECT ANSWERS-Air supplied to the combustion process that is
more than the theoretical amount required
What is viscosity - CORRECT ANSWERS-Internal resistance to fuel oil flow
Lowest temperature that oil will flow is it's - CORRECT ANSWERS-Pour point
Oxygen in boiler water will cause - CORRECT ANSWERS-Pitting
Frequency of boiler blowdown is best determined by - CORRECT ANSWERS-Daily
testing of boiler water
Burning pulverized coal requires how much excess air - CORRECT ANSWERS-30%
, What is the difference between a rotary pump and centrifugal pump - CORRECT
ANSWERS-Rotary is positive displacement, centrifugal is not
In reference to a duplex pump, what do 3x2x6 represent - CORRECT ANSWERS-
Diameter of steam piston, diameter of fluid piston and length of stroke
A centrifugal pump should be started with the discharge valve - CORRECT ANSWERS-
Closed
Which steam trap has no moving parts? - CORRECT ANSWERS-None of the above
Two types of air pre heaters are - CORRECT ANSWERS-Tubular and regenerative
Two blowdown valves are required in boilers operating - CORRECT ANSWERS-At 100
PSI and over
How many BTU's are required to raise 25 lbs of water 15 degrees Fahrenheit -
CORRECT ANSWERS-375 BTU's
How much notice is required for an internal boiler inspection - CORRECT ANSWERS-
14 days
Two types of soot blowers are - CORRECT ANSWERS-Stationary and retractable
A non return valve allows steam to flow - CORRECT ANSWERS-Out of the boiler only
Baffles are used to - CORRECT ANSWERS-Direct flue gas through the boiler
10" of HG is equivalent to_____PSIA - CORRECT ANSWERS-4.91
One BTU is equivalent to______ft/lbs of work - CORRECT ANSWERS-778
The circumference of a fire tube 4" in diameter is - CORRECT ANSWERS-12.56 inches
If the safety valve is removed for a hydrostatic test a_____should be installed -
CORRECT ANSWERS-Blank/blind flange
Specific volume is expressed as - CORRECT ANSWERS-Ft³ per pound
Latent heat is - CORRECT ANSWERS-Heat added to a substance that causes a
change of state
A check valve is required between the - CORRECT ANSWERS-Feed pump and boiler
Boiler heating surface is defined as the parts of the boiler with - CORRECT ANSWERS-
Water on one side and products of combustion in the other
