Al Ahleia Switchgear Electrical Engineer Interview Questions and Answers

Equipment in classified areas must be designed to prevent the ignition of flammable gases, vapors, or dust.

• Equipment must be properly rated for the specific hazardous area classification (e.g. Class I, Division 1)

• Equipment must be installed and maintained according to the requirements of the National Electrical Code (NEC) or other relevant standards

• Common examples of equipment in classified areas include explosion-proo...read more

There are various types of transformers used in electrical engineering, including step-up, step-down, isolation, autotransformer, and distribution transformers.

• Step-up transformer increases voltage from primary to secondary winding

• Step-down transformer decreases voltage from primary to secondary winding

• Isolation transformer provides electrical isolation between primary and secondary windings

• Autotransformer has a single...read more