Apco Infratech Mechanical Engineer Interview Questions and Answers

PWHT requirement is as per code for stress relieving and improving mechanical properties of welded components.

• PWHT stands for Post Weld Heat Treatment.

• PWHT is required to relieve residual stresses in welded components.

• PWHT helps improve mechanical properties such as toughness and ductility.

• PWHT requirements are specified in various welding codes and standards such as ASME, AWS, and API.

Impact testing as per code is a method used to determine the toughness and resistance of materials to sudden loading.

• Impact testing is conducted to assess the behavior of materials under high-stress conditions.

• It helps in determining the ductility, brittleness, and toughness of materials.

• Common methods of impact testing include Charpy and Izod tests.

• Results of impact testing are compared to specified codes and standard...read more

To decrease expenditure cost of machinery, focus on optimizing maintenance, improving energy efficiency, and streamlining production processes.

• Implement preventive maintenance programs to reduce breakdowns and costly repairs.

• Optimize energy consumption by using energy-efficient equipment and technologies.

• Streamline production processes to minimize waste and increase productivity.

• Invest in automation and robotics to red...read more

The number of counter weights available for a rope suspended platform varies depending on the specific design and requirements.

• The number of counter weights is determined by factors such as the weight capacity of the platform, the length of the platform, and the load distribution.

• Typically, rope suspended platforms require multiple counter weights to balance the weight of the platform and the load being lifted.

• The coun...read more