MN Special Engineers Practice Exam 60
QUESTIONS WITH COMPLETE SOLUTIONS
(2024/2025)
1.for the purpose of rating boiler horsepower for an Engineers
licence only, how many square feet of boiler surface shall be
equivalent to one boiler horsepower on a boiler?: 10 Sq. Ft.
Heating Surface
2.What is meant by the term Low Pressure Boiler?: boilers
operating at a steam or other vapor pressure of 15 psig. or less, or a hot
water or other liquid boiler in which the pressure does not exceed 160
psig. Or a temperature of 250 f°.
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13
, 3.A person holding a current state of Minnesota Special
Engineers Licence could be in charge of or a shift engineer in
what size plants(s)?: High and low pressure boiler not to exceed a
total of 50 horsepower, or a shift engineer in a 100 Horsepower plant.
4.Special Engineer may serve as apprentice of what size
water/liquid or steam/vapor boiler?: In any plant regardless of size
under the direct supervision of the properly licensed engineer.
5.the purpose of the low water cut out on a steam-or hot
water boiler is to what?: Shut off the burner when a low water
condition exists.
6.The valve or valves that must relive all excess pressure on a
steam or hot water boiler are what?: Safety valve and/or an ASME
approved safety relief valve.
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13
QUESTIONS WITH COMPLETE SOLUTIONS
(2024/2025)
1.for the purpose of rating boiler horsepower for an Engineers
licence only, how many square feet of boiler surface shall be
equivalent to one boiler horsepower on a boiler?: 10 Sq. Ft.
Heating Surface
2.What is meant by the term Low Pressure Boiler?: boilers
operating at a steam or other vapor pressure of 15 psig. or less, or a hot
water or other liquid boiler in which the pressure does not exceed 160
psig. Or a temperature of 250 f°.
1/
13
, 3.A person holding a current state of Minnesota Special
Engineers Licence could be in charge of or a shift engineer in
what size plants(s)?: High and low pressure boiler not to exceed a
total of 50 horsepower, or a shift engineer in a 100 Horsepower plant.
4.Special Engineer may serve as apprentice of what size
water/liquid or steam/vapor boiler?: In any plant regardless of size
under the direct supervision of the properly licensed engineer.
5.the purpose of the low water cut out on a steam-or hot
water boiler is to what?: Shut off the burner when a low water
condition exists.
6.The valve or valves that must relive all excess pressure on a
steam or hot water boiler are what?: Safety valve and/or an ASME
approved safety relief valve.
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13
