MA Oil Burners License
Test || 90 Questions &
Answers (Rated A+)
, MA Oil Burners License Test || 90
Questions & Answers (Rated A+)
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
c) High-Heat Industrial Appliance. - ANSWER - c. An industrial appliance such as billet
and bloom furnace, blast furnace, brass melter, cupola, glass furnace, open-hearth
furnace, and ceramic kiln and vitreous enamelizing oven (ferrous metals) when such
appliances are larger than 100 cubic feet (2.8 m 3 ) in size, and other furnaces
classified as high-heat appliances in accordance with recognized good practice
Application Permit/Certificate of Completion. - ANSWER - A standard form issued for
use in all jurisdictions
throughout the Commonwealth