Rajdeep and Company Infrastructures Interview Questions and Answers

The manpower requirements for fabricating 500 MT girders and estimated duration for completion.

• Assess the current manpower capacity and skills within the production team

• Calculate the number of workers needed based on the complexity of the fabrication process

• Consider factors such as shift schedules, overtime, and potential subcontracting

• Estimate the duration based on the daily output of the production team

• Plan for any potential delays or unforeseen circumstances

Criteria for selecting welding consumables like welding rods

• Consider the base metal being welded

• Evaluate the welding process being used

• Take into account the mechanical properties required in the final weld

• Check for any specific industry standards or codes that need to be followed

• Consider the environmental conditions where the welding will take place

• Look at the cost-effectiveness of the consumables

Different types of welding include MIG, TIG, stick, and flux-cored welding, each with its own unique methodology.

• MIG (Metal Inert Gas) welding uses a wire electrode and a shielding gas to create a strong bond between metals.

• TIG (Tungsten Inert Gas) welding uses a non-consumable tungsten electrode and a separate filler material to join metals.

• Stick welding, also known as Shielded Metal Arc Welding (SMAW), uses a flux-coated electrode to create the weld.

• Flux-cored welding uses ...read more

Different types of welding inspections include visual inspection, radiographic testing, ultrasonic testing, magnetic particle testing, and dye penetrant testing.

• Visual inspection involves visually examining the weld for any defects or irregularities.

• Radiographic testing uses X-rays or gamma rays to inspect the internal structure of the weld.

• Ultrasonic testing uses high-frequency sound waves to detect flaws within the weld.

• Magnetic particle testing involves applying a magnetic...read more

Different types of steel standards include ASTM, AISI, SAE, and ISO.

• ASTM (American Society for Testing and Materials) standards are widely used in the United States for steel specifications.

• AISI (American Iron and Steel Institute) standards are commonly used for steel grades and compositions.

• SAE (Society of Automotive Engineers) standards are often used for automotive steel applications.

• ISO (International Organization for Standardization) standards provide global guidelines f...read more