Ajay Construction Senior Service Engineer Interview Questions and Answers

Calorific value of coal is a measure of its energy content.

• Calorific value is the amount of heat energy released per unit mass of coal when it is burned.

• It is typically measured in units of kilojoules per kilogram (kJ/kg) or British thermal units per pound (BTU/lb).

• Higher calorific value indicates higher energy content and better quality of coal.

• Calorific value is important for determining the efficiency and performanc...read more

The latent heat of evaporation is the amount of heat energy required to convert a substance from liquid to gas at its boiling point.

• Latent heat of evaporation is a specific type of latent heat that refers to the heat energy absorbed or released during the phase change from liquid to gas.

• It is also known as the heat of vaporization.

• The latent heat of evaporation is different for different substances and is typically mea...read more

Energy is the ability to do work or cause change. It exists in various forms and can be converted from one form to another.

• Energy is a fundamental concept in physics.

• It is the capacity of a physical system to perform work.

• Energy can exist in different forms such as kinetic, potential, thermal, chemical, electrical, and nuclear.

• For example, when a ball is thrown into the air, it possesses kinetic energy due to its motio...read more