The coil of a relay is an - Study guides, Class notes & Summaries

Oil Burner License Exam Questions and Answers, Latest Updated 2024/2025 (Verified Answers) 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.. - Answer- 300-1000 ohms If a pump is used to bring oil to a l...

Stationary Engineer Electric Exam Questions and Answers Latest 2024/2025 (Graded A+) 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 - Answer current lags the voltage The power factor of a load is equal to the ____________ power divided by the ____________ power. - Answer True ; apparent A 10-ohms and 20-ohms resistor are connected in parallel. The total line current drawn by this parallel...

Boma hvac Exam Questions With Verified Solutions What happens when room temperature soda is poured into a glass of ice ? - answerThe ice melts because it is absorbing heat from the soda . The compressor in a refrigeration system - answerpumps the refrigerant throughout the system To control ice build - up on a heat pump outdoor coil in the heating cycle a ______ is used . - answerpressure differential switch The total pressure of a confined mixture of gases is the sum of the pressures of...

BNSF Session 4 Exam Questions and Answers All Correct If you have a track relay the two common resistance of the coil are ________ Ohms and _________ and are usually supplied with ________ volts? - Answer-2 Ohms, 4 Ohms, and 1-2Volts If you have a line relay the two common resistances of the coil are ________ Ohms and ________ Ohms and are usually supplied with _________ volts? - Answer-500 Ohms, 1000 Ohms, and 10-14 Volts In CTC territory, a hand throw switch is not sufficient protect...

Esco Electrical Test Questions with Complete Solutions 100% Verified 2024/2025 What is current flow? - Correct Answer D.The flow of electrons in a circuit What is impedance? - Correct Answer A.Opposition to alternating current Like charges will - Correct Answer B.Repel each other Any material that will readily release electrons is called: - Correct Answer B.A conductor The symbol for current is: - Correct Answer B. I Electricity can produce: - Correct Answer D. All the above li...

________________________________________ IEC Year 2 Semester 2 Questions And Answers Graded A+. In a 60 Hertz system, the voltage will go to "0" ___ times per second? - correct answer. D. 120 What type of magnet is used for the coil in a relay? - correct answer. C. electromagnet ___ flow equals current flow. - correct answer. C. Electron ______ law states "charged bodies attract or repel each other with a force that is directly proportional to the product of t...

If you have a track relay the two common resistance of the coil are ________ Ohms and _________ and are usually supplied with ________ volts? - Answer-2 Ohms, 4 Ohms, and 1-2Volts If you have a line relay the two common resistances of the coil are ________ Ohms and ________ Ohms and are usually supplied with _________ volts? - Answer-500 Ohms, 1000 Ohms, and 10-14 Volts In CTC territory, a hand throw switch is not sufficient protection, what else do we need to install to prevent the hand th...

ESCO Electrical Certification Exam - Questions and Answers What is current flow? The flow of electrons in a circuit. What is impedance? opposition to alternating currents Like charges will Repel each other Any material that will readily release electrons is called Conductor Symbol for current I (amps) Electricity can produce: All the above: light, heat, magnetism The safety ground conductor is usually colored: Green An electron has a ____ negative charge Which of the following materials would ...

Worn starter bushings result in? High Current Draw Worn starter brushes result in? Increased starter resistance Defective voltage regulator results in? A defective voltage regulator can cause overcharging and possible battery boil-over. Voltage regulators can be located in the alternator or in the engine control module depending on the application. What does a low battery electrolyte level indicate? Overcharging A loose alternator belt results in? Undercharging ...

HVAC Final Exam Electrical For Air Conditioning All Answers Correct 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 ️A) When Using a single transformer system Digital thermostats usually display temperature, time of day, programming and operating status. Select...