Low Pressure Boilers Ch. 5
_______ coal is coal that is ground to a best powder. - ANS-Pulverized
________ coal is a difficult coal. - ANS-Anthracite
A ____ is a narrowed part of the tube. - ANS-venturi
A _______ is a mechanical tool for feeding coal continuously to the burner. - ANS-stoker
A mixture burner permits the operator to replace fuels ___________ . - ANS-for economic
system, if there may be a shortage of a fuel, if there's a failure in the gasoline machine getting
used
A dirty strainer results in low suction readings. - ANS-False
A fuel oil heater is required whilst the usage of No. 2 gasoline oil. - ANS-False
A fuel oil alleviation valve is placed between the gas oil pump and the gas oil discharge valve. -
ANS-True
A high vacuum on gas oil suction gauge typically shows ________ . - ANS-cold gas or a grimy
strainer
A steel scraper is used to easy deposits on a fuel oil burner nozzle. - ANS-False
A therm is the amount of gasoline required to supply one hundred,000 Btu. - ANS-True
A(n) _______ is a safety tool that senses if the pilot light and/or important flame are lit. -
ANS-flame scanner
A(n) _______ is an air pressure-activated transfer that closes after proving enough pressure of
mixture air from the forced draft fan. - ANS-air proving switch
A(n) ________ sensor senses light frequencies that are higher than those visible to the
attention. - ANS-ultraviolet
Air used to atomize fuel oil is primary air. - ANS-True
Anthracite coal is tough coal. - ANS-True
Bituminous coal is tender coal. - ANS-True
_______ coal is coal that is ground to a best powder. - ANS-Pulverized
________ coal is a difficult coal. - ANS-Anthracite
A ____ is a narrowed part of the tube. - ANS-venturi
A _______ is a mechanical tool for feeding coal continuously to the burner. - ANS-stoker
A mixture burner permits the operator to replace fuels ___________ . - ANS-for economic
system, if there may be a shortage of a fuel, if there's a failure in the gasoline machine getting
used
A dirty strainer results in low suction readings. - ANS-False
A fuel oil heater is required whilst the usage of No. 2 gasoline oil. - ANS-False
A fuel oil alleviation valve is placed between the gas oil pump and the gas oil discharge valve. -
ANS-True
A high vacuum on gas oil suction gauge typically shows ________ . - ANS-cold gas or a grimy
strainer
A steel scraper is used to easy deposits on a fuel oil burner nozzle. - ANS-False
A therm is the amount of gasoline required to supply one hundred,000 Btu. - ANS-True
A(n) _______ is a safety tool that senses if the pilot light and/or important flame are lit. -
ANS-flame scanner
A(n) _______ is an air pressure-activated transfer that closes after proving enough pressure of
mixture air from the forced draft fan. - ANS-air proving switch
A(n) ________ sensor senses light frequencies that are higher than those visible to the
attention. - ANS-ultraviolet
Air used to atomize fuel oil is primary air. - ANS-True
Anthracite coal is tough coal. - ANS-True
Bituminous coal is tender coal. - ANS-True
