Megha Engineering & Infrastructures Mechanical Supervisor Interview Questions and Answers

MS stands for Mild Steel and SS stands for Stainless Steel.

• MS (Mild Steel) is a type of carbon steel with low carbon content and is commonly used in construction.

• SS (Stainless Steel) is a type of steel alloy with a minimum of 10.5% chromium content, known for its corrosion resistance.

• SS is often used in kitchen appliances, surgical instruments, and industrial equipment.

• MS is used in structural applications, automotive

Specification of machinery refers to the detailed requirements and characteristics of a machine or equipment.

• Includes dimensions, materials, performance criteria, and safety features

• Should be clearly defined to ensure proper design and functionality

• Examples: maximum load capacity, operating temperature range, power consumption

Gpm for water supply pump can be calculated by dividing the flow rate in gallons by the time in minutes.

• Calculate the flow rate in gallons per minute (GPM)

• Determine the time in minutes over which the flow rate is measured

• Divide the flow rate by the time to get the GPM value

Heat exchangers are devices used to transfer heat between two or more fluids, ensuring efficient heat transfer and temperature control.

• Transfer heat between fluids

• Maintain temperature control

• Increase energy efficiency

• Commonly used in HVAC systems, refrigeration units, and chemical processing plants