Marathon Electric India Operator Interview Questions and Answers for Experienced

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

• Consists of two coils of wire, known as primary and secondary coils

• Works on the principle of electromagnetic induction

• Used to increase or decrease voltage levels in AC circuits

• Examples include power transformers used in electrical substations

Heat is energy transfer due to temperature difference; temperature measures particle energy.

• Heat is energy in transit, while temperature is a measure of energy within a substance.

• Heat flows from hot to cold; for example, a hot cup of coffee cools down in a cooler room.

• Temperature is measured using scales like Celsius or Fahrenheit; for instance, water freezes at 0°C.

• Heat can change the state of matter, like melting ice...read more

HR is the department responsible for managing employees, recruitment, training, and employee relations within an organization.

• HR oversees recruitment and hiring processes

• HR manages employee benefits and payroll

• HR handles employee relations and conflict resolution

• HR develops and implements training programs for employees

• HR ensures compliance with labor laws and regulations

The electricity market refers to the buying and selling of electricity and related products.

• Electricity is traded on various markets such as spot markets, futures markets, and forward markets.

• The price of electricity is influenced by factors such as supply and demand, weather conditions, and government regulations.

• Renewable energy sources such as solar and wind power are becoming increasingly important in the electrici...read more