Maryland Boiler License Exam 2025 ACTUAL COMPLETE
REAL EXAM QUESTIONS |MOST TESTED QUESTIONS AND
CORRECT ANSWERS |100% ACCURATE|GET IT RIGHT!!
ALREADY GRADED A+ / BRAND NEW EXAM!!
What is the purpose of a feedwater pump? - ANSWER-The
purpose of a feedwater pump is to pump feedwater to the
boiler. The feedwater pump produces the pressure required to
overcome boiler water pressure and system resistance to
maintain the normal operating water level (NOWL).
How do each of the three types of pressure controls function to
control the operation of a burner? - ANSWER-An operating
control is a pressure control that senses steam pressure and
automatically signals the burner to initiate the start-up
sequence when steam pressure is needed and initiate the
burner shutdown sequence when steam demand is met. A high
limit control is a pressure control that senses steam pressure
and automatically shuts down the burner if the operating
control fails. A modulating control is a pressure control that
works with the operating control to vary the burner firing rate
within a given range.
, What is the purpose of a safety valve? - ANSWER-The purpose
of a safety valve is to prevent the boiler from exceeding its
maximum allowable working pressure (MAWP). The safety
valve is the most important valve on a boiler
Fuel oil grades commonly used in boilers are designated by
_______ for the
lightest grade of fuel oil through ________ for the heaviest
grade of fuel oil.
ANSWER-No. 2 &
No 6
-
A boiler has quick- and slow-opening blowdown valves. The
sequence used for
a blowdown is ? - ANSWER-open quick-opening, open slow-
opening, close
slow-opening, close quick-
opening.
The most important boiler fitting is the ? - ANSWER-safety
valve
REAL EXAM QUESTIONS |MOST TESTED QUESTIONS AND
CORRECT ANSWERS |100% ACCURATE|GET IT RIGHT!!
ALREADY GRADED A+ / BRAND NEW EXAM!!
What is the purpose of a feedwater pump? - ANSWER-The
purpose of a feedwater pump is to pump feedwater to the
boiler. The feedwater pump produces the pressure required to
overcome boiler water pressure and system resistance to
maintain the normal operating water level (NOWL).
How do each of the three types of pressure controls function to
control the operation of a burner? - ANSWER-An operating
control is a pressure control that senses steam pressure and
automatically signals the burner to initiate the start-up
sequence when steam pressure is needed and initiate the
burner shutdown sequence when steam demand is met. A high
limit control is a pressure control that senses steam pressure
and automatically shuts down the burner if the operating
control fails. A modulating control is a pressure control that
works with the operating control to vary the burner firing rate
within a given range.
, What is the purpose of a safety valve? - ANSWER-The purpose
of a safety valve is to prevent the boiler from exceeding its
maximum allowable working pressure (MAWP). The safety
valve is the most important valve on a boiler
Fuel oil grades commonly used in boilers are designated by
_______ for the
lightest grade of fuel oil through ________ for the heaviest
grade of fuel oil.
ANSWER-No. 2 &
No 6
-
A boiler has quick- and slow-opening blowdown valves. The
sequence used for
a blowdown is ? - ANSWER-open quick-opening, open slow-
opening, close
slow-opening, close quick-
opening.
The most important boiler fitting is the ? - ANSWER-safety
valve
