OBT 2 Mohawk Exam 2024 with 100% correct answers

About _____________ cubic feet of air is required to ensure complete combustion of one [1] gallon of #2 fuel oil. correct answers2000 T/F? Air supply openings that communicate with the outdoors of a building must be located not less than twelve [12] inches above the outside grade level. correct answersTrue An oil-fired boiler with an input of 0.75 USGPH that is vented into a clay lined masonry chimney 20 feet high must maintain a minimum base temperature of ____________ °F. correct answers320°F A furnace rated at 0.75 USGPH is connected to a twenty [20] foot high clay tiled lined masonry chimney. The thermal resistance is R2. Using the B139 code book vent tables, determine an acceptable vent diameter range. correct answers4 to 5 Inches T/F? The minimum distance a vent can terminate from a gas utility service regulator is one [1] foot and from the regulator's vent outlet is four [4] feet. correct answersFalse A single wall vent connector on a furnace with a draft regulator should never be installed in an unheated space; furthermore, an appliance's vent connector passing through an unheated space must be a ______________________ vent. correct answersdouble wall or insulated T/F? A single wall vent connector with a vent temperature not exceeding 750 °F must be at least three [3] inches away from combustible materials. correct answersFalse An oil venting system shall terminate from a building mechanical air inlet, or operable window or door by no less than _____________________________ feet. correct answers6ft T/F? An unlined masonry chimney, correctly sized and in good condition, may accommodate a new oil-fired appliance. correct answersFalse