Minnesota Special Engineer Boiler License Practice Exam Questions, Special Boiler License Practice Exam Minnesota, Safe Boiler Operation Fundamentals—Special Engineer's Guide for the State of Minnesota, Practice Test #1, Special Boiler Lice

Minnesota Special Engineer Boiler License Practice
Exam Questions, Special Boiler License Practice Exam
Minnesota, Safe Boiler Operation
Fundamentals—Special Engineer's Guide for the State
of Minnesota, Practice Test #1, Special Boiler License
Study.



A boiler equipped with the two low water fuel cut-outs must have
_______________ on the secondary low water fuel cut-out.


ANSWERS: A manual reset.


A boiler with a new burner OR a new boiler room must have:


ANSWERS: A kill switch by each door leaving the boiler room.


The low water fuel cut off should be tested:


ANSWERS: At least once a day when the boiler is in operation.


What is the purpose of a check valve used in a feed water line going to a
steam boiler?

ANSWERS: To restrict the flow in one direction only.



Where would you expect to locate pyrometer?


ANSWERS: In the exhaust gases leaving the boiler


What would the pyrometer tell you?


ANSWERS: The temperature

,An aqua state would be used on what type of boiler?


ANSWERS: A hot water boiler


Globe valves are used when you need to:


ANSWERS: Throttle or restrict the flow


Three types of drafts are:


ANSWERS: Natural, forced, and induced.


How many way can heat be transferred?


ANSWERS: Three (Conduction -- Convection -- Radiation)


How may types of low pressure are there?


ANSWERS: Three


Boiler and boiler fitting used in the state of Minnesota must be
constructed to what code?


ANSWERS: 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?


ANSWERS: 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:


ANSWERS: 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:


ANSWERS: Conduction --Convection - Radiation


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


ANSWERS: Purging


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


ANSWERS: Yes, for numerous reasons


Other than a safety relieve valve what other safety device should be
installed on a hot water heating boiler?


ANSWERS: Low water cut off


Each boiler in a battery (pipe together sharing the same common
header) must have:


ANSWERS: A main stem stop


what removes air from a hot water boiler system?


ANSWERS: Air Control


In a stem boiler system, the unit that turns be burner on and off based on
steam pressure is the:


ANSWERS: Pressure Control

, If water in the gauge is not visible because of failure of the feed water
supply, what should be done?


ANSWERS: Shut off the fuel to the burner and secure the boiler.


What conditions are necessary to cause a furnace explosion?


ANSWERS: Accumulation of unburned fuel, oxygen and an ignition source


The LWCO should be tested:


ANSWERS: Daily


Gauge pressure plus 14.7 psi is called what?


ANSWERS: Absolute pressure


The evaporation of 34.5 ponds of water per hour from and at a
temperature of 212 degrees Fahrenheit is defined as:


ANSWERS: One boiler horsepower


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


ANSWERS: 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?


ANSWERS: Purging