Jai Balaji Group Mechanical Maintenance Engineer Interview Questions and Answers for Experienced

Transformer is a static device is change is ac voltage one level and another level but no change in frequency the work in mutual induction method.

Sailent type rotor and cylinder type rotor of uses in syuchronus machine.

Electric arc furnace operation involves melting scrap metal using high-voltage electric arcs.

• Electric arc furnaces use graphite electrodes to create an electric arc that melts scrap metal.

• The high temperature generated by the electric arc helps remove impurities from the metal.

• Operators need to monitor the furnace temperature, electrode position, and scrap metal feed rate to ensure efficient operation.

CDQ stands for Continuous Data Quality, which is a process of ensuring data accuracy, consistency, and reliability over time.

• CDQ involves monitoring data quality metrics on an ongoing basis

• It includes identifying and resolving data quality issues promptly

• CDQ helps in maintaining high-quality data for decision-making and analysis

• Examples of CDQ tools include data profiling, data cleansing, and data monitoring solutions

Running a process involves initiating and monitoring the execution of a task or program.

• Identify the process to be run

• Start the process using appropriate command or software

• Monitor the progress and performance of the process

• Handle any errors or issues that may arise during the process

• Terminate the process once it has completed its task

The casting process is a manufacturing process in which a liquid material is poured into a mold, where it solidifies into the desired shape.

• Liquid material is poured into a mold

• Material solidifies into desired shape

• Common materials used for casting include metals, plastics, and ceramics

Mould process involves creating a cavity to shape a material, while segment process involves dividing a material into sections.

• Mould process is used to create a specific shape or form by pouring material into a mould, while segment process involves dividing a material into smaller sections for easier handling or processing.

• Mould process is commonly used in manufacturing industries to produce products like plastic conta...read more

The hydraulic process involves the transmission of energy through the movement of fluids, typically water or oil, to perform mechanical work.

• Involves the use of fluids to transmit energy

• Fluids can include water, oil, or hydraulic fluid

• Commonly used in hydraulic systems for machinery and equipment

• Works on the principle of Pascal's law

The casting speed minimum and maximum depend on the specific casting process and material being used.

• Casting speed can range from as low as 0.1 meters per minute to as high as 10 meters per minute.

• The speed is determined by factors such as the type of material being cast, the complexity of the mold, and the desired quality of the final product.

• Higher casting speeds can lead to reduced cycle times but may also increase ...read more

The lubricant system is a system that provides lubrication to moving parts in machinery to reduce friction and wear.

• The lubricant system typically consists of a reservoir for the lubricant, a pump to circulate the lubricant, and various lines and fittings to deliver the lubricant to the parts in need.

• Different types of lubricants can be used in the system, such as oil or grease, depending on the application and operati...read more