INTRO TO HEATING
INTRO TO HEATING
BASIC ELECTRONICS
INTRO TO CONTROL CIRCUIT TROUBLESHOOTING
TROUBLESHOOTING GAS HEATING
100
the flame will turn yellow
What is If too little primary air is supplied to a gas burner
100
fuel, ignition, and oxygen
What is three things needed In order for combustion to occur
100
analog-to-digital converter
What is a device used to convert temperature information from a thermistor into a form that can be processed by a digital control system
100
deadband
What is the temperature range that separates the cooling and heating setpoints in an automatic changeover
100
10mV
What is the minimum reading you should expect when testing a loaded thermocouple
200
carbon monoxide
What is One of the products of incomplete combustion
200
converts the heat from the pilot into an electrical current
What is a thermocouple
200
electrons
What orbits the nucleus of an atom
200
droop
What is The condition that causes bimetal thermostats to become inaccurate
200
a cooling unit with electric resistance heaters
What is a packaged electric-electric unit
300
grade 2
What is The fuel oil most likely to be used in a residential oil furnace
300
Grade 1
What is the grade of fuel oil is used in vaporizing-type oil burners
300
germanium and silicon
What are the most common semi-conductor materials used in electronic circuits
300
cooling compensator
What is The device that causes a cooling thermostat to close a little sooner
300
flame-sensing rod
What is a method is used to prove the burner flame in a furnace with a hot surface ignitor
400
70 to 90 degrees
What is The best spray angle for round or square combustion chambers
400
keeps heat from escaping through the flue
What is a automatic vent damper
400
rectification
What is the conversion of AC voltage to DC voltage is known as
400
component arrangement diagram
What is a troubleshooting aid normally found on a label diagram
400
a direct spark ignitor or hot surface ignitor is used
What is a pilotless system
500
Too much primary air
What is a condition will cause the flame to lift off a gas burner surface
500
for installations where the oil tank is below the level of the burner
What is when a two-stage oil pump
500
tolerance of ±5 percent
What is If a carbon resistor has a gold band
500
uses a solenoid to control a pneumatic valve
What is An electric-pneumatic relay
500
different speeds needed to optimize operation of the cooling and heating functions in a dual-purpose system
What is One of the purposes of using a two-speed blower
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