MN BOILER PRACTICE TEST 2026: 210 MUST-
KNOW QUESTIONS AND 100% VERIFIED
ANSWERS | GRADED A+ | GUARANTEED PASS
Applicants for the Minnesota special engineers license who fail to pass and
examination shall not be eligible to take another examination for the same class of
license for blank days
- answer-30
According to Minnesota boiler statutes when two or more boilers are connected to
a common steam main the steam connection from each boiler having a manhole
opening must be fitted with two blank valves having an ample free blow drain
between them
- answer-Gate
According to Minnesota boiler statutes all fittings between the boiler and valves
must be made of blank, for pressure over 100 pounds per square inch.
- answer-Steel
According to Minnesota boiler statutes a high pressure boiler plant of 31 to 200 hp
maybe left in operation unattended by an operating engineer for no more than ——
consecutive hours when the premises are occupied by employees or the public.
- answer-2 hours
—— is heat transfer that occurs as a heat source sends it's heat energy out in a
wave of infrared.
- answer-Radiation
The _____law of thermodynamics is the principle that states that heat always flows
from material having a higher temperature to a material having a lower
temperature.
- answer-Second
____ heat is heat that causes a change of state without a change in temperature.
- answer-Latent
,Blank is heat transfer that occurs when currents circulate between warm and cool
regions of a fluid.
- answer-Convection
In a ____boiler the water circulates inside tubes that are surrounded by flue gases
and the products of combustion.
- answer-Water tube
A _____boiler is a boiler designed to recover some of the heat from water vapor
normally discharged to the atmosphere in the gases of combustion.
- answer-Condensing
A high-pressure boiler is a boiler with a maximum allowable working pressure of
more than blank psi.
- answer-15 psi
A blank boiler is a self-contained unit complete with all the fittings for a hook up
and operation in place.
- answer-Package
A blank boiler is a boiler in which heat and gases of combustion pass-through
tubes surrounded by water.
- answer-Firetube
A blank circulation hot water heating system in a closed hot water heating system
that uses a circulating pump to move hot water through the heating system.
- answer-Forcec
A modulating control is a control device that works with the operating control to
vary the burner blank.
- answer-Firing rate
A blank valve is a manual valve that is typically used to isolate the make up water
pipe, return line pipe
and supply line pipe at the boiler.
- answer-Stop
The primary function of the blank is to shut down the burner if the water level in
the hot water system drops below a safe operating level.
- answer-Low water fuel cutoff
, A blank valve is a backflow prevention device consisting of two check valves and
pressure reducing valve that is used to prevent water from backing up into the
water supply.
- answer-Reduced pressure zone
A blank test is a safety valve test used to determine if a safety valve and discharge
piping are capable of discharging steam.
- answer-Try lever
Blank blow down is performed to remove sludge and sediment, control high water
and control the chemical concentration in the boiler.
- answer-Bottom
The most common steam pressure gauge operates by the movement of a blank.
- answer-Bourdon tube
A blank valve was used for gas or vapor service that prevents a boiler from
exceeding its maximum allowable working pressure.
- answer-safety
And evaporation test is a test in which the boiler operator allows the water level in
the boiler to drop in order to test the proper operation of the blank.
- answer-Low water fuel cut off
Galvanized pipe is a blank pipe that is cleaned and dipped into a hot molten zinc
bath to create a protective coating.
- answer-steel
A blank is a boiler accessory that automatically removes air and condensate from
the steam lines and heating units.
- answer-Steam trap
A blank valve requires only a 90° rotation of the handle or key to open.
- answer-Plug, butterfly, ball
A blank valve is a valve that permits fluid flow in only One Direction and closes
automatically to prevent backflow.
- answer-Check
KNOW QUESTIONS AND 100% VERIFIED
ANSWERS | GRADED A+ | GUARANTEED PASS
Applicants for the Minnesota special engineers license who fail to pass and
examination shall not be eligible to take another examination for the same class of
license for blank days
- answer-30
According to Minnesota boiler statutes when two or more boilers are connected to
a common steam main the steam connection from each boiler having a manhole
opening must be fitted with two blank valves having an ample free blow drain
between them
- answer-Gate
According to Minnesota boiler statutes all fittings between the boiler and valves
must be made of blank, for pressure over 100 pounds per square inch.
- answer-Steel
According to Minnesota boiler statutes a high pressure boiler plant of 31 to 200 hp
maybe left in operation unattended by an operating engineer for no more than ——
consecutive hours when the premises are occupied by employees or the public.
- answer-2 hours
—— is heat transfer that occurs as a heat source sends it's heat energy out in a
wave of infrared.
- answer-Radiation
The _____law of thermodynamics is the principle that states that heat always flows
from material having a higher temperature to a material having a lower
temperature.
- answer-Second
____ heat is heat that causes a change of state without a change in temperature.
- answer-Latent
,Blank is heat transfer that occurs when currents circulate between warm and cool
regions of a fluid.
- answer-Convection
In a ____boiler the water circulates inside tubes that are surrounded by flue gases
and the products of combustion.
- answer-Water tube
A _____boiler is a boiler designed to recover some of the heat from water vapor
normally discharged to the atmosphere in the gases of combustion.
- answer-Condensing
A high-pressure boiler is a boiler with a maximum allowable working pressure of
more than blank psi.
- answer-15 psi
A blank boiler is a self-contained unit complete with all the fittings for a hook up
and operation in place.
- answer-Package
A blank boiler is a boiler in which heat and gases of combustion pass-through
tubes surrounded by water.
- answer-Firetube
A blank circulation hot water heating system in a closed hot water heating system
that uses a circulating pump to move hot water through the heating system.
- answer-Forcec
A modulating control is a control device that works with the operating control to
vary the burner blank.
- answer-Firing rate
A blank valve is a manual valve that is typically used to isolate the make up water
pipe, return line pipe
and supply line pipe at the boiler.
- answer-Stop
The primary function of the blank is to shut down the burner if the water level in
the hot water system drops below a safe operating level.
- answer-Low water fuel cutoff
, A blank valve is a backflow prevention device consisting of two check valves and
pressure reducing valve that is used to prevent water from backing up into the
water supply.
- answer-Reduced pressure zone
A blank test is a safety valve test used to determine if a safety valve and discharge
piping are capable of discharging steam.
- answer-Try lever
Blank blow down is performed to remove sludge and sediment, control high water
and control the chemical concentration in the boiler.
- answer-Bottom
The most common steam pressure gauge operates by the movement of a blank.
- answer-Bourdon tube
A blank valve was used for gas or vapor service that prevents a boiler from
exceeding its maximum allowable working pressure.
- answer-safety
And evaporation test is a test in which the boiler operator allows the water level in
the boiler to drop in order to test the proper operation of the blank.
- answer-Low water fuel cut off
Galvanized pipe is a blank pipe that is cleaned and dipped into a hot molten zinc
bath to create a protective coating.
- answer-steel
A blank is a boiler accessory that automatically removes air and condensate from
the steam lines and heating units.
- answer-Steam trap
A blank valve requires only a 90° rotation of the handle or key to open.
- answer-Plug, butterfly, ball
A blank valve is a valve that permits fluid flow in only One Direction and closes
automatically to prevent backflow.
- answer-Check
