Plant Lipids Electrical Maintenance Technician Interview Questions and Answers

MCBs are used to protect electrical circuits from overloads and short circuits by automatically cutting off the flow of electricity.

• Protects electrical circuits from overloads and short circuits

• Automatically cuts off the flow of electricity when necessary

• Prevents damage to electrical equipment and reduces the risk of fire

• Easy to reset after tripping compared to fuses

• Commonly used in residential, commercial, and industr

A contactor is an electrical device used to control the flow of electricity in a circuit by opening and closing contacts.

• Contactor is typically used to control motors, lighting, heating, and other electrical loads.

• It consists of a coil, contacts, and a housing.

• When the coil is energized, it creates a magnetic field that pulls the contacts together, allowing electricity to flow.

• Contactor can be manually operated or cont...read more

O.L.R stands for Overload Relay, a device used to protect an electric motor from overheating due to excessive current.

• O.L.R is a type of protective device used in electrical systems.

• It is designed to sense when a motor is drawing too much current and cut off power to prevent overheating.

• Overload relays are commonly used in industrial settings to protect equipment and prevent damage.

• They can be manual or automatic reset...read more