NATE Core practice question and answers| verified

NATE Core practice question and answers| verified 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 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 electric current measured in a. amps b. volts c. ohms d. none of the above amperes run capacitor on motor lacks a start capacitor or relay, the motor is called a. PSC b. AFV c. PSM d. PWZ PSC mix 1 quart of cleaning solution with 14 quarts of water, how many quarts of cleaning concentrate will be needed to prepare 60 quarts of mixed solution a. 3 3/4 b. 3 c. 4 d. 4 1/4 4 quarts for electric heaters, proper btu conversion per kw is a. 3,431 b. 8921 c. 4312 d. 3413 3,413 btu per kw meter function used if a tech needs to read limit switch open or closed when powered on volts tech using ruler that uses inches that are divided into 32 divisions, tech is cutting a length of tubing that is 11 1/8 inches long. how many divisions will be used to mark off 1/8 of an inch a. 3 divisions b. 4 divisions c. 5 divisions d. 2 divisions 4 divisions if the length of a wire is doubled, its measured resistance will be a. 2 times greater b. stay the same c. 4 times greater d. cancels it out four times greater a fuse is used to protect against over current tool used after tubing is cut reamer ceiling joist rest directly on a. vertical beams b. wall top plates c. themself d. flooring wall top plates ohmmeter connected across energized power supply can a. create strong circuit b. do nothing c. damage or blow fuse d. none of the above damage or blow fuse as pressure in a liquid increases, the boiling point of the liquid a. increase b. stay the same c. decrease d. level out and not boil increases scale on analog ohmmeter used for checking resistance of motor winding a. r x 1000 b. r x 10 c. r x d. r x 1 R x 1 continuity check is actually a specific type of? a. volt check b. resistance measurement c. amp draw d. none of the above resistance measurement when a motor is working at a rate of 1492 watts, how much horsepower would it make a. 3 hp b. 2.5 hp c. 4 hp d. 2 hp 2.00 horsepower moisture or water vapor in the air is? latent heat type of circuit breaker recommended for HVAC a. gfci b. hacr c. hvacr d. regular breaker HACR