MA Oil Burners Test Exam Questions With 100% Correct Answers | Updated & Verified | 2025/2026

MA Oil Burners Test Exam Questions With 100% Correct Answers | Updated & Verified | 2025/2026 Air Heater. - answer-. An indirect-fired appliance intended to supply heated air for space heating and other purposes, but not intended for permanent installation. Air pressure switch. - answer-An electrical switch designed to prove that the proper draft has been established by the power venter or burner and allows the burner to operate. If the power venter or burner is not performing so as to satisfy the operating requirements of the equipment for safe performance, the switch will de-energize the burner control circuit preventing the burner from operating. Anti-flooding Device - answer-. A primary safety control that causes the flow of fuel to be shut off upon a rise in fuel level or upon receiving excess fuel, and which operates before the hazardous discharge of fuel can occur Appliances; industrial - answer-(a) Low-Heat Industrial Appliance. An industrial appliance such as a commercial cooking range, pressing machine boiler at any pressure, bake oven, candy furnace, stereotype furnace, drying and curing appliance, and other process appliances in which materials are heated or melted at temperatures (excluding flue-gas temperatures) not exceeding 600°F (316°C). Appliances otherwise classed as medium-heat appliances may be considered as low-heat appliances if not larger than 100 cubic feet (2.8 m 3 ) in size excluding any burner equipment and blower compartment (b) Medium-Heat Industrial Appliance - answer-(b) An industrial appliance such as an annealing furnace (glass or metal), charcoal furnace, galvanizing furnace, gas producer, commercial or industrial incinerator, and steam boiler operating at over 50 psig (345 kPa) pressure when such appliance is larger than 100 cubic feet (2.8 m 3 ) in size, and other furnaces classified as medium-heat appliances in accordance with recognized good practice