MN Special Engineers Practice Exam questions with answers

MN Special Engineers Practice Exam
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questions with answers |\ |\




for the purpose of rating boiler horsepower for an Engineers
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licence only, how many square feet of boiler surface shall be
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equivalent to one boiler horsepower on a boiler? - CORRECT |\ |\ |\ |\ |\ |\ |\ |\ |\ |\


ANSWERS ✔✔10 Sq. Ft. Heating Surface |\ |\ |\ |\ |\




What is meant by the term Low Pressure Boiler? - CORRECT
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ANSWERS ✔✔boilers operating at a steam or other vapor |\ |\ |\ |\ |\ |\ |\ |\ |\


pressure of 15 psig. or less, or a hot water or other liquid boiler
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in which the pressure does not exceed 160 psig. Or a
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temperature of 250 f°. |\ |\ |\




A person holding a current state of Minnesota Special Engineers
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Licence could be in charge of or a shift engineer in what size
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plants(s)? - CORRECT ANSWERS ✔✔High and low pressure boiler
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not to exceed a total of 50 horsepower, or a shift engineer in a
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100 Horsepower plant.|\ |\




Special Engineer may serve as apprentice of what size
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water/liquid or steam/vapor boiler? - CORRECT ANSWERS ✔✔In
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any plant regardless of size under the direct supervision of the
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properly licensed engineer. |\ |\




the purpose of the low water cut out on a steam-or hot water
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boiler is to what? - CORRECT ANSWERS ✔✔Shut off the burner
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when a low water condition exists.
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, The valve or valves that must relive all excess pressure on a
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steam or hot water boiler are what? - CORRECT ANSWERS
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✔✔Safety valve and/or an ASME approved safety relief valve. |\ |\ |\ |\ |\ |\ |\ |\




A Tri indicator could be found on a: - CORRECT ANSWERS
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✔✔Steam boiler. |\




A Tri indicator would inform the boiler operator of what? -
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CORRECT ANSWERS ✔✔The AMOUNT of water, the LEVEL of |\ |\ |\ |\ |\ |\ |\ |\ |\


water, and if it is LOW on water. |\ |\ |\ |\ |\ |\ |\




what is the destructive force in a steam or hot water boiler
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explosion? - CORRECT ANSWERS ✔✔The instant release of energy |\ |\ |\ |\ |\ |\ |\ |\


stored in the water as heat.
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an ASME approved safety relief valve used on a hot water boiler
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is tested at the factory on what? - CORRECT ANSWERS ✔✔Steam
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first then hot water.
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Some of the things you could find on a steam or hot water boiler
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are what? - CORRECT ANSWERS ✔✔Low water cut off, safety
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valve or safety relief valve, pressure gauge.
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What devices would only be found on a steam boiler? - CORRECT
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ANSWERS ✔✔Steam pressure gauge, tricocks, pressuretrols. |\ |\ |\ |\ |\