Recent questions in Electrical Materials and Writing Practice

State the type of insulating materials under Class Y and Class B.
Answer : The classification of insulating materials is based on their maximum continuous operating temperature. Here are the details for Class Y and Class B. ### Class Y Insulation This is the lowest ... Common Use** | Older or very low-cost devices | Industrial motors, generators, transformers |...

State gaseous and liquid insulating material.
Answer : Insulating materials, also known as dielectrics, are substances that resist the flow of electric current. They are essential in electrical equipment for preventing short circuits, ensuring safety, and ... voltage pulse systems and as a coolant in some high-power electronic devices and transmitters....

State the material used for making (1) Magnetic Core (2) Fuse element
Answer : ### (1) Magnetic Core The material used for a magnetic core is a **soft magnetic material**, with the specific choice depending on the application (e.g., frequency of the magnetic ... current rating and performance requirements. **Key Properties:** Low melting point and low electrical resistance....

State the types of protections provided by MCB.
Answer : A Miniature Circuit Breaker (MCB) provides two fundamental types of protection for an electrical circuit. Both are designed to protect the wiring and connected appliances from damage caused by excessive ... dangers of excessive current: **slow-burning overloads** and **violent short circuits**....

State different types of holders used in wiring installation.
Answer : 1. Pendent Holder 2. Batten Holder 3. Angle holder 4. Screwed holder...