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

NEIEP 700 Final Exam Version 1 (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A Q: When an elevator constructor describes a normal open contact or a making contact he or she is describing the same contact configuration. Answer: True Q: As current flows through a relay's coil _______________________ generated by the coil will pull or pick the relay's armature . Answer: Magnetic field Q: The most common relay used today is the plug type....

If the heater in a fixed IEC bimetallic overload relay fails, - correct answer -the entire overload relay must be replaced The nameplate of a motor indicates that the motor has an FLC of 15A and a service factor of 1.15, how much additional current can this motor safely handle for intermittent power demands? - correct answer -15A(1.15)= 17.25; 17.25A - 15A= 2.25A The minimum allowable coil control voltage needed to keep an electromechanical device energized is called the ___. - correct ans...

NEIEP 700 Final Exam Version 1 (Latest 2024 / 2025 Update) Questions and Verified Answers | 100% Correct | Grade A Q: When an elevator constructor describes a normal open contact or a making contact he or she is describing the same contact configuration. Answer: True Q: As current flows through a relay's coil _______________________ generated by the coil will pull or pick the relay's armature . Answer: Magnetic field Q: The most common relay used today is the plug type. Answer: True Q: The maj...

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...

Zener current will decrease - ANSWER-Refer to figure 1. If the load resistance R2 is reduced by half what happens what happens to zener diode? 4v - ANSWER-Refer to figure 1. The zener diode is designed to breakdown at 6VDC what is the voltage drop across R1 with a constant DC supply of 10VDC 30 rpm - ANSWER-An elevators motor rotates at 1200 rpm at contract speed and is geard at a ratio of 40:1. If the motor turns 40 rpm the sheave turns 1 rpm. What is the actual speed of the drive sheave ...

Which of the following is true with regard to switchboards Switchboards are used to subdivide large blocks of power When installing wiring within switchgear, use self adhesive cable ties every ___. 12" (300mm) The maximum voltage that a piece of equipment can withstand is known as its ____. Basic impulse insulation level (BIL) Bolted pressure switches are often used in place of ___. Circuit breakers A transformer's temperature rise rating refers to ___. The max...

What are the 3 funtions of an Oil Burner nozzle? - Answer- Atomize, Meter, Patter. What are the 2 voltage circuits of a primary control? - Answer- Line & Low. What is the function of a fuse? - Answer- Protect circuit. What is the High Limit cut out? - Answer- Max safe Temp or Pressure setting. What is the High Limit cut in? - Answer- Cut out minus Differential. What is the "Max" Lockout time for a burner with a 3 GPH Flow Rate? - Answer- 45 Seconds. What is the minimum stack ...

Siemens Level 1 Exam |100% Correct Questions and Verified Answers| | Grade A (Latest 2024/ 2025 Update) Q: How can the piston speed of cylinder 1A be greater during retraction than it is in extension for the control system shown below?One Answer is correct -By installation of a quick exhaust valve between valve 1V1 and 1V2 -By installation of a silencer in valve 1V1 -By installation of a flow control valve instead of the one-way flow control valve 1V3 -By installation of an air reserv...

If the heater in a fixed IEC bimetallic overload relay fails, - correct answer -the entire overload relay must be replaced The nameplate of a motor indicates that the motor has an FLC of 15A and a service factor of 1.15, how much additional current can this motor safely handle for intermittent power demands? - correct answer -15A(1.15)= 17.25; 17.25A - 15A= 2.25A The minimum allowable coil control voltage needed to keep an electromechanical device energized is called the ___. - correct ans...

Esco Electrical Certification Exam 2023 Questions and Answers What is current flow? D.The flow of electrons in a circuit What is impedance? A.Opposition to alternating current Like charges will B.Repel each other Any material that will readily release electrons is called: B.A conductor The symbol for current is: B. I Electricity can produce: D. All the above light heat magnetism The safety ground conductor is usually colored: B.Green An electron has: B.A negative charge Whi...

EET 231 U2 Exam Latest Updated Questions and Answers 100% Correct; ECPI University EET 231 U2 Exam Latest Updated Questions and Answers 100% Correct; ECPI University If your PLC does not have enough input connections to handle the process you are using you need to scale back the process to divide the process between two PLCs to modify the output module to accept inputs to install an expansion module Solenoids, Contactors and Lamps are usually connected to...