NATE Core Practice (Latest Update) Questions & Answers.

NATE Core Practice (Latest Update) Questions & Answers



NATE Core Practice (Latest
Update) Questions & Answers.
What type of meter is most appropriate when a tech must determine voltage? - ✔✔✔ - voltmeter



Temp at which moisture begins to condense on objects? - ✔✔✔ - dew point



Btu's equivalent to 1 watt hour

A. 3.418

B. 3.413

C. 3.213

D. 4.314 - ✔✔✔ - 3.413 btu



Electrical test meter that test volts, ohms and current

A. Multimeter

B. Ohmeter

C. Monometer

D. Trimeter - ✔✔✔ - multimeter



When climbing down a ladder workers must - ✔✔✔ - use 2 hands



Single phase load is drawing 4.5 amps in a 230v circuit with a power factor of 0.91

A. 1245 watts

B. 3841 watts

C. 1137 watts


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, NATE Core Practice (Latest Update) Questions & Answers


D. 1126 watts - ✔✔✔ - 1137 watts



What meter function should be used to know if a limit switch is open or closed when de-energized

A. Amps

B. Ohms

C. Volts

D. Resistance - ✔✔✔ - ohms



The purpose of the electric motor is - ✔✔✔ - to change electrical energy into mechanical energy



On a single phase psc motor, the three terminals are

A. Run start go

B. Common go stop

C. Run start common

D. None of the above - ✔✔✔ - run, start, common



Agency with jurisdiction for shipping refrigerants - ✔✔✔ - d.o.t ( department of transportation )



To determine relative humidity a tech should use - ✔✔✔ - psychrometer



5kw heater rated at 240 volts equals how many watts

A. 4500

B. 3000

C. 5000

D. 1000 - ✔✔✔ - 5,000


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