The voltage phase - Study guides, Class notes & Summaries

NETA III 2024 QUESTIONS WITH CORRECT SOLUTIONS The alternate source for emergency systems are required to be equipped with ground-fault protection of equipment. -Answer-False Which ANSI/IEEE standard covers SF6 circuit breakers? -Answer-C37.04 You measure the winding resistance of a 12.4kV, 1000kVA, Delta-Delta connected transformer with a 100A test set. H1-H2 measures 42.0 microhms, H2-H3 measures 41.9 microhms, and H3- H1 measures 84.0 microhms. What can you conclude from these readings...

Master Electrical REAL Exam Questions And Correct Answers | Verified Control the speed of the motor - ANSWER The purpose of having a rheostat in the field of a DC shunt motor is to ________. An ammeter, a wattmeter, and a voltmeter - ANSWER You are to check the power factor of a load, you cannot get a power factor meter, you would use__________. Lead sheath - ANSWER High voltage cable which is to be installed in underground ducts is generally protected with a __________. Lower watt...

PHYS 1260 Exam 3 DeWitt Version 1 Questions and Answers. Select ONE answer for each numbered problem. If you choose more than one on the Scantron sheet, you will be marked incorrect on that problem. Data Rate=(Number of Channels)x(samples/second)x(bits/sample) Capacity=(Number of Channels)x(Bandwidth/Channel)xlog2(SNR+1) SNR = Signal Power/Noise Power AM = Amplitude Modulation FM = Frequency Modulation PM = Phase Modulation FET = Field Effect Transistor RAM = Random Access Memory Capa...

An AC circuit consists only of a pure inductance and a power source. The relationship between the voltage and the current in this circuit is that the correct answer: current lags the voltage The power factor of a load is equal to the ____________ power divided by the ____________ power. correct answer: True ; apparent A 10-ohms and 20-ohms resistor are connected in parallel. The total line current drawn by this parallel combination is 30 amps. Under these conditions, the line voltage wil...

What is the first thing a tech should do when arriving at a no combustion call? - Answer- Ask how many times the customer reset the unit. What is the best long term solution for preventing a clogged nozzle? - Answer- -Remove any underground storage tanks. -Install a quality oil filter. -Cut the suction line 10" above the tank outlet to prevent sludge. Hot water and steam valves are interchangeable. - Answer- False When in the presence of a flame, a cad cell normally reads.. - Answe...

An inter-circuit short can cause: - ANSWER -" All of the above; Unrelated circuits to operate simultaneously; Components to work at reduced capacity; An over-current situation" Which of the following is addressed by ABYC A-32? - ANSWER -Power conditioning and conversion LED navigation lights are required to meet: - ANSWER -72 Colregs Which of the following are recommended for 3-phase shore power? - ANSWER -Power conditioning and phase-rotation monitoring Which of the following ...

Fire Investigator - Master For TCFP Test Questions and Answers (Test Bank) Complete Solution 100% Verified Is NFPA 921 a guide or a standard? It is the Guide for Fire and Explosion Investigations What are the six steps of the scientific method? Recognize the need Define the problem Collect the data Analyze the data Develop a hypothesis Test the hypothesis What step of the scientific method is inductive reasoning? Analyze the data What step of the scientific method is deductive reason...

CETA Study Guide Questions With All Complete Solutions 8.33 meters is the full wavelength in air for what RF frequency? - ANSWER- 36 MHz Decimal 164 would appear as what in binary? - ANSWER- A resistor has color stripes yellow, violet, violet, silver. It is? - ANSWER- 470 MegOhm +/- 10% What is the total capacitance of three capacitors valued at 100uf, 100uf and 50uf when connected in series? - ANSWER- 25 pf What is the ripple frequency of a full wave single phase bridge rectif...

Combustible Liquid - Correct answer-A liquid with a flash point ABOVE 100F 12.5 - Correct answer-If the current flowing out from an electrical panel is 12.5 amps, and it then flows through an electrical load of 1500 watts, what is the amperage of the remaining current flow of the return circuit? 1000 - Correct answer-If a hair dryer draws 8.3amps (in a home with 120-volt service), what is the wattage? *Power (P) = current (I) x voltage (V) Watts = amps x volts 1987 - Correct answer-The y...

According to the NEC®, the ampacity of branch circuit conductors must be derated when there are more than how many current-carrying conductors in a raceway? - correct answer 3 Air conditioning overcurrent protective devices can never exceed what percentage of the motor-rated load current or the branch circuit selection current (whichever is greater)? - correct answer 225% Conductors must be derated when installed in conduit - correct answer on or above rooftops Continuous loads are cal...