Minnesota Special Engineer Boiler License Exams 2025: Study Guide & Practice Test

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MINNESOTA SPECIAL ENGINEER BOILER LICENSE

EXAMS ( NEW UPDATES) STUDY BUNDLE

WITH COMPLETE SOLUTIONS | QUESTIONS AND

VERIFIED ANSWERS | 100% CORRECT | GRADE A

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 ans 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

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the boiler, should: .....ANSWER.....Have its valve disc held to its

seat by means of testing clamp or "gag"

Heat can be transferred in three ways and they are:

.....ANSWER.....Conduction --Convection - Radiation

The first sequence in the series of automatic burner control is:

.....ANSWER.....Purging

Can a low water low water condition i a hot water heating type

boiler? .....ANSWER.....Yes, for numerous reasons

Other than a safety relieve valve what other safety device

should be installed on a hot water heating boiler?

.....ANSWER.....Low water cut off

Each boiler in a battery (pipe together sharing the same common

header) must have: .....ANSWER.....A main stem stop

what removes air from a hot water boiler system?

.....ANSWER.....Air Control

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In a stem boiler system, the unit that turns be burner on and off

based on steam pressure is the: .....ANSWER.....Pressure Control

If water in the gauge is not visible because of failure of the feed

water supply, what should be done? .....ANSWER.....Shut off the

fuel to the burner and secure the boiler.

What conditions are necessary to cause a furnace explosion?

.....ANSWER.....Accumulation of unburned fuel, oxygen and an

ignition source

The LWCO should be tested: .....ANSWER.....Daily

Gauge pressure plus 14.7 psi is called what?

.....ANSWER.....Absolute pressure

The evaporation of 34.5 ponds of water per hour from and at a

temperature of 212 degrees Fahrenheit is defined as:

.....ANSWER.....One boiler horsepower

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When a safety valve opens and closes rapidly it is referred to

as .....ANSWER.....Chattering

Furnace explosions are caused by a buildup of combustible

gases, or vapors in the combustion chamber, what is the term

used to remedy this condition? .....ANSWER.....Purging

Why is a pigtail or siphon required in steam pressure gauge

lines? .....ANSWER.....to protect the gauge from a high

temperature.

In a stem boiler system, what is the term used for replacing the

water that has been lost by blowing down the boiler through

leaks in the system? .....ANSWER.....A make up water

On steam boiler system, why are bottom blow down valves

installed at the lowest point of the waterside of boilers?

.....ANSWER.....To remove sludge and sediment.

Boiler heating is defining as : .....ANSWER.....Water on one side

hot gases on the other side.