Thermal tripping - Study guides, Class notes & Summaries

Which article of the NEC covers grounding? Article 250 What is a dropout plate? Metal plate with a curve surface for cable to follow as it passes from the tray All of the following are common service voltages in the United States Except: 372/575 3- Phase, 4-wire What does a GFCI breaker do? Opens a circuit to prevent operation of an electrical device What will happen when one or more coils in a winding are grounded? The motor will automatically blow fuses eight incandescent lighting fix...

NERC Transmission Practice Test Sample question to help prepare for the NERC Transmission Exam Which type of relay operates on the premise of comparing the flow in and out of the area of protection? - Answer->Differential relay Underfrequency load shedding is set-up so that which of the following does NOT occur? - Answer- >Uncontrolled separation Who is responsible to make sure that the operation of voltage control equipment is coordinated with other impacted entities? - Answer-&g...

NERC Transmission Practice Test Sample question to help prepare for the NERC Transmission Exam Which type of relay operates on the premise of comparing the flow in and out of the area of protection? - Answer->Differential relay Underfrequency load shedding is set-up so that which of the following does NOT occur? - Answer- >Uncontrolled separation Who is responsible to make sure that the operation of voltage control equipment is coordinated with other impacted entities? - Answer-&g...

System studies identify what Predict operations and identify constraints If ACE remains the same and frequency goes up what has happened? Someone lost load When a generator has its AVR in service it is a? Dynamic source of reactive power Black start resource testing is done every? 3 years Each BA shall operate its AGC on? Tie line Frequency Bias When is voltage reduction reportable? Greater than 3% Reactors do what? Absorb VARs What AGC mod...

Where are overcurrent devices normally installed in a branch circuit. ️: Where the conductors recover their supply. The branch circuit conductor and overcurrent protective device must be sized for the actual non-continuous load plus what percentage of the continuous load. ️: 125% which of the following is true of the voltage rating of a fuse ️: it can be higher than the circuit voltage but never lower when selecting ampere ratings of fuses and circuit breakers the most important co...

Colorado Journeyman practice test 2 Questions And Answers Which of the following best describes a grounded conductor? Article 100 - answerThe conductor of a system that is intentionally grounded. "The point of connection between the facilities of the serving utility and the premises wiring" is called ___________. Article 100 - answerThe service point "Connected to establish electrical continuity and conductivity," is the definition of ___________. Article 100 Part I - answerBonded ...

Which type of relay operates on the premise of comparing the flow in and out of the area of protection? - correct answer Differential relay Underfrequency load shedding is set-up so that which of the following does NOT occur? - correct answer Uncontrolled separation Who is responsible to make sure that the operation of voltage control equipment is coordinated with other impacted entities? - correct answer Transmission Operator The coordination of voltage schedules by system operators wo...

_______ can be generated. I. Electricity II. Electrical Energy a. I only b. II only c. both I and II d. neither I nor II - Answer Ans. b A phenomenon where a circuit stores electrical energy is called ______. a. Inductance b. Capacitance c. Resistance d. Susceptance - Answer Ans. b A general term including material, fittings, devices, appliances, fixtures, apparatus, and the like used as part of, or in connection with, an electrical installation is ______. a. premises wiring (s...

Which type of relay operates on the premise of comparing the flow in and out of the area of protection? correct answers Differential relay Underfrequency load shedding is set-up so that which of the following does NOT occur? correct answers Uncontrolled separation Who is responsible to make sure that the operation of voltage control equipment is coordinated with other impacted entities? correct answers Transmission Operator The coordination of voltage schedules by system operators would...

NCCER Electrical Exam Q&A with Complete Solution Which Article of the NEC covers grounding? - article 250 Which of the following is a 90 degree, explosion proof fitting? - GUAL What is a dropout plate? - Metal plate with a curved surface for cable to follow as it passes from the tray All of the following are common service voltages in the United States EXCEPT: - 372/575 3-PHASE, 4-WIRE What does a GFCI breaker do? - Opens a circuit to prevent operation of an electrical device W...