NATE Electrical Controls Exam Questions and Complete Solutions Graded A+
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Course
Nate commercial
Institution
Nate Commercial
A fuse is used in an electrical circuit to - Answer: Protect the circuit wires from an overcurrent condition
How are fuses rated - Answer: In amps with a maximum voltage rating
What will an ohmmeter measure when testing an open fuse - Answer: Infinite resistance
What type of sensing ele...
, A fuse is used in an electrical circuit to - Answer: Protect the circuit wires from an overcurrent condition
How are fuses rated - Answer: In amps with a maximum voltage rating
What will an ohmmeter measure when testing an open fuse - Answer: Infinite resistance
What type of sensing element is commonly found in fan and limit controls - Answer: Bimetal
What is used to sense space temperature in electronic temperature controls - Answer: Thermistors
What is known about a liquid-charged remote-type temperature control - Answer: Its bulb is both
extremely sensitive and completely full of liquid
When installing the gas-charged remote temperature control - Answer: Its sensing bulb must always be
the coldest part of the control
A temperature control that uses a positive temperature coefficient thermistor (PTCT) - Answer:
Increases resistance as temperature increases
A heating thermostat - Answer: Opens on a rise in temperature
The heat anticipator - Answer: Controls system overshoot
When adjusting a heat anticipator on a thermostat - Answer: The heating control amperage must be
measured
The correct color code and its circuit for a heating and cooling thermostat - Answer: Red-power source,
Yellow-cooling circuit, White-heating circuit, Green-fan relay
How many wires does a two-stage heating and two-stage cooling thermostat commonly use - Answer: 6
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