TSTS Testing & Commissioning Engineer Interview Questions and Answers

The relay types used in Indian railways include electro-mechanical relays, solid-state relays, and microprocessor-based relays.

• Electro-mechanical relays are commonly used in Indian railways for various applications.

• Solid-state relays are used for their reliability and faster response times.

• Microprocessor-based relays are used for advanced protection and control functions.

• Examples of relay types used in Indian railways ...read more

Dispatch signals are signals sent to initiate a specific action or task, while receiving signals are signals received to acknowledge or respond to a dispatched signal.

• Dispatch signals are used to trigger a process or task.

• Receiving signals are used to acknowledge or respond to a dispatched signal.

• Dispatch signals can be in the form of electrical, digital, or wireless signals.

• Receiving signals can be in the form of conf...read more