Brakes India Maintenance Electrician Interview Questions and Answers for Experienced

Light Amplification by Stimulated Emission of Radiation

• Stands for Light Amplification by Stimulated Emission of Radiation

• Uses coherent light to produce a narrow beam with high intensity

• Commonly used in various fields such as medicine, industry, and research

AC and DC are two types of electrical current. AC stands for alternating current and DC stands for direct current.

• AC is the type of current commonly used in homes and businesses, while DC is used in batteries and electronic devices.

• AC current periodically changes direction, while DC current flows in one direction.

• AC current can be easily converted to different voltages using transformers, while DC current requires a po...read more

There are several types of wiring used in electrical installations.

• Conduit wiring: Electrical wires are enclosed in metal or plastic conduits for protection.

• Surface wiring: Wires are mounted on the surface of walls or ceilings using clips or channels.

• Concealed wiring: Wires are hidden inside walls or ceilings, usually in conduit or trunking.

• Cleat wiring: Wires are supported by porcelain or plastic cleats fixed to walls...read more