Mphasis Technician Interview Questions and Answers for Experienced

Transformers work on the principle of electromagnetic induction to transfer electrical energy between two or more circuits.

• Transformers have two coils of wire, known as primary and secondary coils, which are magnetically coupled.

• When an alternating current flows through the primary coil, it creates a changing magnetic field which induces a voltage in the secondary coil.

• The ratio of the number of turns in the primary an...read more

To replace a blown 22 kv line fuse, safety measures include de-energizing the line, using proper PPE, and following proper procedures.

• De-energize the line before attempting to replace the fuse

• Use insulated tools to avoid electrical shock

• Wear appropriate PPE such as rubber gloves, safety glasses, and flame-resistant clothing

• Follow proper lockout/tagout procedures to ensure the line remains de-energized during the replac...read more