Electrotherm Senior Service Engineer Interview Questions and Answers

A rectifier is an electronic device that converts alternating current (AC) to direct current (DC).

• Rectifiers are commonly used in power supplies for electronic devices.

• They can be made using diodes or other semiconductor devices.

• Rectifiers are essential for many electronic devices to function properly.

• Examples of rectifiers include bridge rectifiers, half-wave rectifiers, and full-wave rectifiers.

SCR stands for Selective Catalytic Reduction. It is a technology used to reduce nitrogen oxide emissions from diesel engines.

• SCR uses a catalyst to convert harmful nitrogen oxides into harmless nitrogen and water vapor.

• It requires a urea-based solution called AdBlue to work.

• SCR is commonly used in heavy-duty vehicles like trucks and buses.

• It is an effective way to meet emissions regulations without sacrificing engine p