Boiler License Exam Questions with All Correct Answers
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Course
Boiler License
Institution
Boiler License
Boiler License Exam Questions
with All Correct Answers
When applying the 90% rule to the output of 500 HP, its output would be - Answer15525 pph
A high pressure boiler can be used in a low pressure situation: - Answer-sometimes
It takes BLANK BTUs to raise 5 pounds of water from 200 to 212 de...
Boiler License Exam Questions with All Correc t Answers When applying the 90% rule to the output of 500 HP, its output would be - Answer -
15525 pph A high pressure boiler can be used in a low pressure situation: - Answer -sometimes It takes BLANK BTUs to raise 5 pounds of water from 200 to 212 degrees F - Answer -
60 Minnesota Operators license are renewed every - Answer -2 years The circumference of a circle with a radius of 3 inches is - Answer -18.84 inches For Minnesota Operators licensing purpose, BLANK square feet of HS equals 1 BHP. - Answer -10 What can affect the output of a boiler (three) - Answer -Inlet air temperature, feedwater temperature, HS scale The boiler's MAWP is (two) - Answer -Stamped on the manufacturer's tag, Stamped on the boiler shell Soot blowers are more often found on BLANK boilers - Answer -fire tube A boiler with 1250 square feet of HS should produce (PPH and HP) - Answer -8625 PPH and 250 HP The letter M = (number) - Answer -1000 Rating boiler horsepower for an Engineers License only, how many square feet of HS shall be equivalent to one boiler horsepower on a boiler? - Answer -10 square feet of heating surface What is meant by the term low pressure boiler? - Answer -Boilers operating at a steam of other vapor pressure of 15 psig or less, OR a water or other liquid boiler in which the pressure does not exceed 160 psig or a temperature of 250 degress F A person holding a current state of Minnesota Special Engineer License could be in charge of - Answer -High and low pressure boilers not to exceed a total of 50 Boiler HP A special engineer could be a shift engineer in a plant of not more than - Answer -100 BHP A special engineer may serve as an apprentice in what size water or other liquid OR steam or other vapor boilers - Answer -In any plant regardless of size under the direct supervision of the properly licensed engineer The purpose of the low water cut out on a steam or hot water boiler is to - Answer -Shut off the burner when a low water condition exists The valve or valves that must relieve all excess pressure on a steam or hot water boiler are - Answer -ASME safety valve and/or an ASME approved safety relief valve A tri-indicator could be found on a - Answer -hot water boiler a tri-indicator would inform the boiler operator of - Answer -temperature of the water, pressure of the water in psig, altitude of the water in feet what is the destructive force in a steam or hot water boiler explosion - Answer -the instant release of energy stored in the water as heat An ASME approved safety relief valve used on a hot water boiler tested at the factory on - Answer -hot water only Some of the things you could find on a steam or a hot water boiler are (three) - Answer -
low water cut out, safety valve or safety relief valve, pressure gauge What devices would only be found on a steam boiler (three) - Answer -steam gauge, tricocks, pressuretrols An expansion tank or compression tank would be used with a - Answer -hot water boiler The purpose of the expansion tank is to - Answer -provide for expansion and contraction of the water volume as its temperature varies On a hot water boiler what is the purpose of the Vent Valve - Answer -To make sure there is water in the boiler and to vent out any trapped air If the safety valve or ASME Safety Relief Valve leaks, you would - Answer -have the valve repaired or replaced Tricocks or gauge cocks are used on a steam boiler to indicate - Answer -the true water level inside the boiler On a steam or hot water boiler, the safety valve or safety relief valve could be tested by - Answer -by lifting the lever on the valve or raising the pressure until they operate
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