Energy and Heat Transfer Quiz

Which of the following is not a form of energy?

• Kinetic

• Potential

• Entropic

• Chemical

The unit of electrical energy is:

• Watt

• Joule

• kWh

• Ampere

Which of the following is a renewable source of energy?

• Natural gas

• Coal

• Solar

• Diesel

Tariff is a method to:

• Generate electricity

• Control current

• Fix the price of electricity

• Improve power factor

In India, the electricity tariff for domestic use is usually:

• Constant

• Decreasing with usage

• Increasing with usage

• Based on power factor

Load management aims to:

• Increase peak demand

• Reduce energy efficiency

• Reduce demand during peak hours

• Generate extra energy

Which equipment improves power factor?

• Transformer

• Inductor

• Capacitor

• Rectifier

Power factor is defined as:

• Real power / Apparent power

• Apparent power / Real power

• Reactive power / Apparent power

• Real power / Reactive power

The typical value of power factor for an inductive load is:

• 1

• 0

• Less than 1

• Greater than 1

High power factor leads to:

• Higher energy bills

• Higher current flow

• Better efficiency

• Larger cables