Indian Oil Corporation Engineer Trainee Interview Questions and Answers

Heat treatment is a process used to alter the physical and mechanical properties of materials through heating and cooling.

• Heat treatment involves heating a material to a specific temperature and holding it at that temperature for a certain period of time.

• Different heat treatment techniques, such as annealing, quenching, tempering, and case hardening, are used to achieve desired properties.

• Annealing is used to soften ma...read more

The laws of thermodynamics describe the fundamental principles governing energy and its transformations.

• First Law of Thermodynamics: Energy cannot be created or destroyed, only transferred or converted.

• Second Law of Thermodynamics: The entropy of an isolated system always increases over time.

• Third Law of Thermodynamics: As temperature approaches absolute zero, the entropy of a system approaches a minimum value.

• Example ...read more

OIL is a fossil fuel formed from the remains of ancient plants and animals. It is a major source of energy and used in various industries.

• OIL is a hydrocarbon-based liquid

• It is formed over millions of years from the remains of plants and animals

• It is extracted from underground reservoirs through drilling

• OIL is a non-renewable resource

• It is used as a fuel for transportation, heating, and electricity generation

• OIL is als...read more