Nti exam 3 questions & answers
How do you check for voltage - ANSWERSUsing the metees leads across two points
Which symbol represents ohms - ANSWERSOmega
Ohms means - ANSWERSResistance to electron flow
What is the dormula for wats - ANSWERSVolts x Amps= wats
When the thermostat calls for fan it - ANSWERSConnects r-g
The g on a low voltage thermostat represents - ANSWERSIndoor fan relay
The w on a low voltage thermostat represents - ANSWERSIndoor heat
The C on a low voltage thermostat represents - ANSWERS24V source
What is the primary side of a hvac transformer - ANSWERSHigh voltage
What is the secondary side of a hvac transformer - ANSWERSLow voltage
Your reading 24 V at the contacter coil the contacter is not closing what the problem -
ANSWERSContacter is bad
, Your reading 24v at the contacter coil the coil is closing what's the problem - ANSWERSThe
contacter is doing its job
The thermostat is set to fan on you check volts across r-g what should you read - ANSWERS0
volts
The thermostat is set to fan on you check across volts r-w what should you read - ANSWERS24v
source
Checking across fan relay n.c. with the coil energized what should you read - ANSWERSSource
voltage
When replacing a contacter what information do you need - ANSWERSNumber of poles, fla, and
coil voltage
What doe FLA stand for? - ANSWERSFull Load Amps
What does RES stand for? - ANSWERSResistive amps
What does rla stand for? - ANSWERSRated load amps
What doe LRA stand for? - ANSWERSLocked rotor amps
What component is rla used for? - ANSWERSCompresser
What is another term for LRA - ANSWERSIn rush current
How do you check for voltage - ANSWERSUsing the metees leads across two points
Which symbol represents ohms - ANSWERSOmega
Ohms means - ANSWERSResistance to electron flow
What is the dormula for wats - ANSWERSVolts x Amps= wats
When the thermostat calls for fan it - ANSWERSConnects r-g
The g on a low voltage thermostat represents - ANSWERSIndoor fan relay
The w on a low voltage thermostat represents - ANSWERSIndoor heat
The C on a low voltage thermostat represents - ANSWERS24V source
What is the primary side of a hvac transformer - ANSWERSHigh voltage
What is the secondary side of a hvac transformer - ANSWERSLow voltage
Your reading 24 V at the contacter coil the contacter is not closing what the problem -
ANSWERSContacter is bad
, Your reading 24v at the contacter coil the coil is closing what's the problem - ANSWERSThe
contacter is doing its job
The thermostat is set to fan on you check volts across r-g what should you read - ANSWERS0
volts
The thermostat is set to fan on you check across volts r-w what should you read - ANSWERS24v
source
Checking across fan relay n.c. with the coil energized what should you read - ANSWERSSource
voltage
When replacing a contacter what information do you need - ANSWERSNumber of poles, fla, and
coil voltage
What doe FLA stand for? - ANSWERSFull Load Amps
What does RES stand for? - ANSWERSResistive amps
What does rla stand for? - ANSWERSRated load amps
What doe LRA stand for? - ANSWERSLocked rotor amps
What component is rla used for? - ANSWERSCompresser
What is another term for LRA - ANSWERSIn rush current
