Electrical stuvia - Study guides, Class notes & Summaries

When using a low voltage T-stat for heating and cooling, when would there be a jumper between Rh and Rc? Select one: a. When using a single transformer system b. When heating with an oil boiler c. When heating with a gas boiler d. When using a two transformer system - ANSWER A) When Using a single transformer system Digital thermostats usually display temperature, time of day, programming and operating status. Select one: True False - ANSWER True With the fan switch in the on posit...

IYRS Electrical ABYC Exam 2024 Questions and Answers 100% Accurate IYRS Electrical ABYC Exam 2024 Questions and Answers 100% Accurate IYRS Electrical ABYC Exam 2024 Questions and Answers 100% Accurate IYRS Electrical ABYC Exam 2024 Questions and Answers 100% Accurate The minimum amp circuit breaker that should be used to protect a 120V water heater circuit with a 1600-watt element would be rated at ________ amps - ANSWER-15 When testing for excessive EMF emission near a conductor or applian...

XC - ANSWER-______ is the letter(s) used to indicate capacitive reactance in a circuit. A) XL, B) Z, C) HZ, D) XC Conductors drawn from a copper-clad aluminum rod with the copper metallurgically bonded to an aluminum core. The copper forms a minimum of ________ percent of the csa. - ANSWER-10 Relay contacts are made of ___________. - ANSWER-Silver Defined apparatus - ANSWER-The organization or system used for doing or operating something Operation of equipment in excess of normal,...

D - ANSWER ABYC standard ________ applies to inverters A. E-2 B. A-27 C. A-28 D. A - 31 A - ANSWER A true RMS voltmeter is required to accuralty check output voltage from a(n): A. non-sinusoidal output inverter B. Isolation transformer C. Inverter DC input D. Galvanic isolator C - ANSWER An AC voltmeter is required at the panel if the boat is equipped with: A. A DC windlass B. An AC- powered water heater C. An inverter D. AC- powered reading lamps C - ANSW...

ABYC Marine Electrical Certification Day 2 100% correct ABYC Marine Electrical Certification Day 2 100% correct ABYC Marine Electrical Certification Day 2 100% correct ABYC Marine Electrical Certification Day 2 100% correct ABYC Marine Electrical Certification Day 2 100% correct ABYC Marine Electrical Certification Day 2 100% correct ABYC Marine Electrical Certification Day 2 100% correct ABYC Marine Electrical Certification Day 2 100% correct ABYC Marine Electric...

What is current flow? - ANSWERThe flow of electrons in a circuit What is impedance? - ANSWEROpposition to alternating current Like charges will - ANSWERRepel each other Any material that will readily release electrons is called - ANSWERA conductor The symbol for current is - ANSWERI Electricity can produce - ANSWERLight, heat, magnetism. All the above The safety ground conductor is usually colored - ANSWERGreen An electron has - ANSWERNegative charge Which of the followin...

Current flow is: - ANSWERThe flow of electrons in the circuit. Impedance is: - ANSWEROpposition to alternating current flow Like charges; - ANSWERrepel each other Any material that will readily release electrons is called; - ANSWERA conductor The symbol for current is; - ANSWERI Electricity can produce - ANSWERHeat, light, & magnetism Which of the following materials would be best suited for use as a semi-conductor? - ANSWERSilicone The safety ground conductor is usually col...

What is current flow? - ANSWERThe flow of electrons in the circuit. What is impedance? - ANSWEROpposition to alternating current flow Like charges will.... - ANSWERrepel each other Any material that will readily release electrons is called.... - ANSWERA conductor The symbol for current is.... - ANSWERI Electricity can produce... - ANSWERHeat, light, magnetism (all of the above) The safety ground conductor is usually color coded..... - ANSWERGreen An electron has... - ANSWERa...

Circuit - ANSWERis a complete path (when ON) for current to take that includes electrical control devices, circuit protection, conductors, and load(s) static electricity - ANSWERis an electrical charge at rest semiconductor - ANSWERis an electronic device that has electrical conductivity between that of a conductor (high conductivity) and that of an insulator (low conductivity) if a fire should occur, the first thing an individual must do is _______ - ANSWERprovide an alarm Ground Fa...

A fixed light will be allowed to be 30 amp provided the socket is rated ____ duty. a. Light b. Medium c. Heavy d. Extra Heavy - Answers c. Heavy From the Skilled Trades Act, Section 7 "Except as otherwise provided in this article or in subsection (3), and individual other than an individual who is licensed under this article and ______________ working under the direction of a holder of an electrical contractors licence, shall not in any manner undertake to execute any electrical work". ...