EXAM & PRACTICE EXAM 2026 || MOST RECENT
EXAM 2026|2027 ACTUAL COMPLETE REAL EXAM
QUESTIONS AND CORRECT ANSWERS (VERIFIED
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How many way can heat be transferred? - ANSWER-Three
(Conduction --
Convection --
Radiation)
How may types of low pressure are there? - ANSWER-Three
Boiler and boiler fitting used in the state of Minnesota must
be constructed to
what code? - ANSWER-
A.S.M.E
What controls the starting and stopping of the burner by
sending the temperature of the water in a hot water boiler? -
ANSWER-Aqua Stat
When a hydrostatic test of a boiler exceeds the maximum
allowed working pressure each safety valve, if left attached to
the boiler, should: - ANSWER-Have its valve disc held to its
seat by means of testing clamp or "gag"
,When the bottom blow down valves are used on a steam
boiler, what valve
located close to the boiler shell? - ANSWER-The quick
opening valve
What is the function of an automatic city water feeder on a low
pressure boiler?
- ANSWER-To control water to the feed
water tank
The purpose of a safety valve on a steam boiler is to: -
ANSWER-To prevent
the boiler from exceeding its
MAWP
The control designed as a safety back up, should the
operating fail is: -
ANSWER-A high limit
control
The capacity of a safety valve used on a steam boiler is
measure in: -
ANSWER-pounds of steam that can be discharge
in one hour.
How does a pressuretrol attach to the steam space of boiler
control the burner
operation? - ANSWER-On pressure decrease - starts
the burner.
,What action should an operating engineer take if a defect is
discovered in a
boiler requiring repairs not of a routine nature? - ANSWER-
Notify the boiler
inspector.
Boiler are considered low pressure when? - ANSWER-Steam
Boiler are not
over 15 psi and liquid boiler are not over psi 160 and
250 deg. F
What boiler license required is required for operating a boiler as
a shift engineer
in a plant having 3 boiler each 1660 sq. ft. of heating
surface? - ANSWER-
Second
The maximum temperature to be carried on a low pressure hot
water boiler is: -
ANSWER-Less than
250 f
The popping pressure of a safety relief valve on a low
pressure hot water
heating boiler cannot exceed: -
ANSWER-160 psi
, The bottom blow down line on a steam boiler system is
located at the: -
ANSWER-Lowest Point on the waterside of a
steam boiler.
For the purpose of rating boiler horsepower for engineer
license classifications
only. How many sq. ft. of heating surface shall be considered
equivalent to one
boiler horsepower for conventional boiler? -
ANSWER-10 sq. ft.
What is recommended for boilers that will be out of service
a long time is a
possibility of freezing? - ANSWER-A
dry lay up.
The rapid burning of fuel oxygen that the results in the release
of heat is called?
- ANSWER-
Combustion
On a steam boiler what is used to reduce the amount of
movement of the water so the operator can get accurate
reading of the water level in the gauge glass? - ANSWER-Water
Column
After repair work is done on the boiler what test is used to
check for leaks? -