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MN Boilers practice (special)exam questions and answers
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MN Boilers practice (special)exam questions and answers
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MN Boilers practice(special)exam
questions and answers
The dial on a steam gauge on a low-pressure boiler must be
graduated from _ to _ times the maximum allowable working
pressure - answer 1 1/2 to 2
What is the minimum size of pipe diameter that may be used to
attach a steam gauge to a steam boiler? - answer 1/4 inch
Steam boilers are designed to operate at or below what PSI? -
answer 15
Liquid Boilers are designed to operate at or below what PSI? -
answer 160
What is the term of the area of the boiler that has water/liquid on
one side and the heat source on the other? - answer Heating Surface
What type of safety valve is required on a steam boiler? - answer
Spring-Loaded
, When the heating surface of a _____-pressure boiler exceeds ____
square feet, the minimum number of safety valves is what? - answer
High, 500, 2 or more
4 1/2 inches is the maximum size safety valve that may be installed
on on a _________ boiler - answer low-pressure
The maximum size safety relief valve on a low-pressure boiler is
what? - answer 4 1/2 inches
How many Kw equals 1 boiler horsepower? - answer 10
10 Kw is equal to how much boiler horesepower? - answer 1
What does ASME stand for? - answer American Society of
Mechanical Engineers
What does NBIC stand for? - answer National Board Inspection Code
What kind of stamp is needed in order to legally be able to weld on
a boiler? - answer "R"
In the state of Minnesota, how often do Boilers get inspected by an
insurance company or a State Boiler Inspector? - answer Yearly
How many square feet is considered equivalent to 1 boiler
horsepower? - answer 10
What must be easily accessible/in view in the boiler room? - answer
Boiler log, certificates of all employees qualified to work on boiler
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