Lucy Electric Electrical Testing Engineer Interview Questions and Answers

The question covers power factor of transformer, types of DC machine, working principle of AC alternator, and DC motors.

• Power factor of a transformer is the ratio of real power to apparent power.

• Types of DC machines include DC motors and DC generators.

• AC alternators work on the principle of electromagnetic induction to convert mechanical energy into electrical energy.

• DC motors convert electrical energy into mechanical ...read more

Efficiency of a boiler can be increased by improving insulation, optimizing combustion, and regular maintenance.

• Improve insulation to reduce heat loss

• Optimize combustion by adjusting air-to-fuel ratio and using efficient burners

• Regular maintenance to clean and repair components

• Use economizers to recover waste heat

• Upgrade to high-efficiency boilers

• Implement energy management systems to monitor and control boiler operati