Eicher Motors Automobile R&D Engineer Interview Questions and Answers

4-stroke engine has 4 strokes per cycle while 6-stroke engine has 6 strokes per cycle.

• 4-stroke engine has intake, compression, power, and exhaust strokes.

• 6-stroke engine has additional water injection and air injection strokes.

• 6-stroke engine has higher thermal efficiency and lower emissions.

• 6-stroke engine is still in the experimental phase and not yet widely used.

Mechanical engineering is a branch of engineering that deals with the design, manufacturing, and maintenance of mechanical systems.

• It involves the study of mechanics, thermodynamics, and materials science.

• Mechanical engineers design and develop machines, tools, and equipment.

• They work in various industries such as automotive, aerospace, and manufacturing.

• Examples of mechanical systems include engines, turbines, and rob...read more

G-codes are used in CNC machines to control the movement of the cutting tool. Here are 5 commonly used G-codes.

• G00 - Rapid positioning

• G01 - Linear interpolation

• G02 - Circular interpolation (clockwise)

• G03 - Circular interpolation (counterclockwise)

• G28 - Return to home position

IC engine stands for Internal Combustion engine. It is a heat engine that converts chemical energy into mechanical energy.

• IC engine is used in automobiles, generators, and other machinery.

• It works by burning fuel inside a combustion chamber to create high-pressure gases that move a piston.

• Examples of IC engines include gasoline engines, diesel engines, and natural gas engines.