Hitachi Energy Interview Questions and Answers

The material used for grinding wheel is abrasive grains held together by a bonding material.

• Grinding wheels are made of abrasive grains such as aluminum oxide, silicon carbide, and diamond

• The abrasive grains are held together by a bonding material such as clay, resin, rubber, or metal

• The type of abrasive and bonding material used depends on the application and the material being ground

• Grinding wheels are used for various applications such as sharpening tools, removing materia...read more

Traditional machines are manually operated while non-traditional machines are automated.

• Traditional machines are operated by human power while non-traditional machines are powered by electricity or other sources.

• Non-traditional machines are more efficient and accurate than traditional machines.

• Examples of traditional machines include lathe machines, drilling machines, and milling machines while examples of non-traditional machines include CNC machines, 3D printers, and robots...read more

The Z-axis is moved for VMC machine.

• VMC stands for Vertical Machining Center.

• The Z-axis is the vertical axis that moves the spindle up and down.

• The X-axis and Y-axis move the table horizontally.

A good working environment is one that promotes collaboration, open communication, respect, and a positive attitude.

• Collaborative team atmosphere

• Open communication between team members and management

• Respectful and supportive interactions

• Positive attitude and motivation

• Comfortable and well-equipped workspace

The switch from Diesel to Petrol was primarily due to environmental concerns and advancements in technology.

• Environmental concerns - Petrol emits fewer harmful pollutants compared to Diesel.

• Advancements in technology - Petrol engines have become more efficient and cleaner over time.

• Cost considerations - Petrol may be cheaper or more readily available in certain regions.

• Performance - Petrol engines may offer better performance in certain applications.