Why are contractors described as both control pilot devices and large Magnetic switches controlled by pilot devices

Q: What does it mean when a switch is "congested

A: Introduction - Congestion in a network is defined as a decrease in quality of service (QOS) that…

Q: Switch gear equipments are used for

A: Switch gear is nothing but consist of Switches, Fuses and circuit breakers. It in Generally used in…

Q: L2 M M 7. Which statement is true for the process-control relay ladder diagram shown in the figure?…

A: Asked to give correct option from the given by referring the circuit

Q: Why DMMs do not suffer as much meter loading as a moving coil meter?

A: Meter Loading:  Whenever a change in resistance changes the circuit it is termed as loading effect.…

Q: What are the different types of switch mode power supply?

A:

Q: What would be the purpose of using an OHA (off-hand-auto) switch instead of a standard HOA…

A: What would be the purpose of using an OHA (off-hand-auto) switch instead of a standard HOA…

Q: What is the condition of a one-way switch if it has no resistance between terminals at both toggle…

A: As per Bartleby's guidelines, we are allowed to solve only one question, please ask the rest of the…

Q: A step up chopper has an input of 200 volts and output of 250 volts. The blocking period is each…

A:

Q: What are the function of the switch ?

A: The switch is used in the electric circuit to acts as a controller of the conduction path. Thus the…

Q: Why are ac contactor assemblies made of laminated steel

A: The three necessary mechanisms of operation of magnetic contactor are horizontal-action, bell crank,…

Q: Why do contactor requires some form of arc suppression

A: Contactor is a type of switching device that used to switch lights, motors. Difference between…

Q: Airframe electrical What are three connector coupling mechanisms that a connector could employ?

A: Threaded coupling, bayonet coupling, and clips couplings are three connector coupling mechanism that…

Q: Does NEC provides minimum standards or maximum standards?

A:

Q: Do parallel counters only count up and down sequences?

A:

Q: Draw an elementary diagram of a pressure switch controlling a motor starter

A: Elementary diagram of a pressure switch controlling a motor starter, A basic diagram is a type of…

Q: What are the two main types of limit switches?

A:

Q: Make a Wiring Diagram of Two – Station Start Stop Motor Control.

A: Start Stop Motor Control- In the simplest form, it is a circuit designed to supply power to, and…

Q: Why are certain operations blocked by isolators?

A: Isolators are material for high voltage gadgets like transformers. The principle capacity of…

Q: combinations of switches

A:

Q: Advance Motor Control 1. Why are contacts often disconnected in series when controlling small…

A: consider the given question;

Q: What is a limit switch?

A: According to the question we have to define limit switch.

Q: What determines whether a pressure switch opens or closes on a rise of pressure

A: The pressure switch is an electrical switch that will open and closed according to the range of…

Q: What is the minimum distance between conduits in a junction box straight through pull? A. 6 times…

A: The correct option from the given options will be option D) 12 times. For junction box calculations,…

Q: With a thermal circuit breaker what are the two main causes of heating of the bimetallic strip ?

A: Thermal circuit breakers are the most used breakers in many fields. As they have the fastest speed…

Q: Section ________ of the NEC states all switches must be effectively grounded, except when ________.

A: The purpose of NEC is practical safeguarding of persons and property from hazards arising from the…

Q: 4. What is the purpose of the magnetic contactor?

A: MAGNETIC CONTACTOR: Magnetic contractors are same as electrical relays which are used in Induction…

Q: What do the terms normally open and normally closed refer to with regards a switch or set of…

A: The term normally open states that the set of contact in the device which are open when the device…

Q: Explain the used of Drum Switches? Draw the 6 point , 8 point and 9 point drum switches?

A:

Q: what does interlocking do?

A:

Q: Is it possible to use one way switch in Two location control of lamp? Explain.

A: To explain  Is it possible to use one way switch in two location control of lamp?

Q: Explain the purpose of the switch debouncer and how it functions?

A: Switch debouncer: Mechanical switches are a typical component in manual control circuits in both…

Q: what electrical symbol is this ??

A: The given symbol is Now, Consider the various symbols for inductors: 1) Air-core Inductor 2)…

Q: What are the FIVE (5) sources of errors of measurements when using Wheatstone Bridge (DC)?

A: Wheatstone bridge is used to measure the unknown resistance when three resistance are given and one…

Q: When it comes to clamper circuits, what is the difference between positive and negative clippers?

A:

Q: In how many different ways can a panel of five on-off switches be set if no two adjacent switches…

A:

Q: List down the 3 major components of a switchboard. Write the function and specification of each.

A: Power system protection is the subject. A switch board main function is to take power from the…

Q: What are the advantages of a hydraulic lockout over an electrical lockout system?

A: Lockout device -  Any device that involves positive methods to keep an energy-isolating machine in a…

Q: Under what conditions would a control relay be used in a controlled system

A: Although it is known that huge current is required for heavy load. and to close the contact for…

Q: Are Limit Switches available that cannot be used outdoors? Why?

A: The limit switch is the device that work on the electro-chemical property. The limit switch operate…

Q: switch

A:

Q: Why do you think electrical safety testing is so important?

A: The detailed answer is solved below according to the given parameters and instructions in the…

Q: Differentiate the sizes of manual starters

A:

Q: What is the percentage of voltage regulation where the no load voltage is 4160 volts and its full…

A: Given: Vno-load=4160 VVfull load=4050 V

Q: explain Each block for a Manipulator Robot on a block diagram

A: Robotic manipulators- Robotic manipulators are capable of performing repetitive tasks with speed and…

Q: What is the function of the zero adjust control  in a multi-meter?

A: Function of the zero adjust control in a multi-meter: The meter should be zeroed. This is achieved…

Q: Why is the Limit Switch important?

A: Limit switch-  1- limit switch is used for controlling the              equipment as a protective…

Q: How do LED’s work?

A: LED: LED is semiconducting device. It is also a p-n junction diode. It is used to emit light in an…

Q: What is the sequence of the operations if the limit switches, shown in Figure 5– 6, are used. What…

A: The limit switch is a normally closed switch that opens on a temperature rise. The fan switch is a…