MN State Special Boiler License Study Guide question n answers 2023/2024

MN State Special Boiler License Study GuideASME - correct answer American Society of Mechanical Engineers NBIC - correct answer National Board Inspection Code A high-pressure steam boiler is required to have ______ valves on the main steam line. - correct answer 2 10 square feet is equivalent to _____ boiler horsepower for conventional boilers - correct answer 1 Minimum size pipe to be used to connect a water column to high pressure boilers - correct answer 1 inch Water Columns of steel must be used if pressure is over _____ - correct answer 350 psi Minimum size drain required on a water column is - correct answer 3/4 inch If water gauge glass becomes inoperable on steam boiler, the boiler could temporarily operate using - correct answer gauge-cocks (try-cocks) Dial on a steam gauge on a low-pressure boiler must be graduated from ________ times the maximum allowable working pressure - correct answer 1 1/2 to 2 Minimum size of pipe diameter that may be used to attach a steam gauge to a steam boiler - correct answer 1/4 inch