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Exam (elaborations)
Special Engineers Exam 2025
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---6November 20242024/2025A+
- 10 sq. Ft. heating surface - VERIFIED ANSWERSFor 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? 
 
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 exceed160 psig or a 
temperature of 250 degrees F. - VERIFIED ANSWERSwhat is meant by the term 
low pressure boiler? 
 
high a...
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