Techno Commercial Engineer Interview Questions and Answers

Transformers are used in various industries and applications to step up or step down voltage levels for transmission and distribution of electricity.

• Used in power distribution systems to step up voltage for long-distance transmission and step down voltage for consumer use

• Commonly found in substations, power plants, industrial facilities, and residential buildings

• Also used in electronic devices like computers, televisions, and smartphones to convert voltage levels for proper o...read more

A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.

• Transformers are used to increase or decrease voltage levels in electrical circuits.

• Types of transformers include step-up transformers, step-down transformers, isolation transformers, autotransformers, etc.

• Step-up transformers increase voltage levels, while step-down transformers decrease voltage levels.

• Isolation transformers are used to isolate the primar...read more

Vacuum pump operates on the principle of creating a partial vacuum to remove air or gases from a sealed chamber.

• Vacuum pump creates a low pressure environment by removing air or gases from a closed space.

• Common types of vacuum pumps include rotary vane pumps, diaphragm pumps, and scroll pumps.

• Applications of vacuum pumps include in industries like food packaging, semiconductor manufacturing, and medical devices.

• Vacuum pumps are also used in scientific research, automotive ind...read more

A cloud database is a database that is optimized for a virtualized computing environment.

• Stored on a cloud computing platform

• Accessible from anywhere with an internet connection

• Scalable and flexible based on demand

• Examples: Amazon RDS, Google Cloud SQL, Microsoft Azure SQL Database