Minnesota Boilers Special Engineers Exam
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What is meant by the term low pressure boilers?
Ans: boilers operating at 15 p.s.i.g. steam or less; or a hot
water boiler operating at 160 p.s.i.g. Or less and temperature
250 deg. or less.
A person holding a current state of MN special license can be in charge
of
Ans: all classes of boilers not to exceed 50 HP
Any overheating or burning and any major repairs should be reported
to the
Ans: boiler inspector
A special engineer can be a shift engineer on a plant of ____________
horse power
Ans: 100
Who is responsible for seeing that the boiler gets inspected?
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Ans: owner and operating engineer
A special engineer can serve as an apprentice on
Ans: all classes of boilers under direct supervision
What is the minimum frequency of tests of a low pressure safety valve
or a safety relief valve by hand?
Ans: quarterly
The purpose of a low water fuel cut out is to ____________ in a steam
or hot water boiler.
Ans: protect boiler in case of low water
____________ prevents dangerous pressure from building up within a
steam or hot water boiler
Ans: ASME approved safety valve and safety relief valve
What is the destructive force in a steam or hot water boiler explosion?
Ans: the instant release of energy stored in the water as heat
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