Linde India Diploma Trainee Engineer Interview Questions, Process, and Tips

Q1. For Oil &gas knowledge fo API 1104 ,B 31.8 , 31.8 ASME SEC IX AND NDT ASME SEC VI AND PROJECT PROCEDURE EXPERIENCE FOR GAS PIPELINE
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Q2. What is difference between psl 2 and psl 1 Which pipe used for gas pipeline
Ans. 
PSL 2 has stricter requirements than PSL 1. Gas pipelines use PSL 2 pipes.
• PSL 2 has higher minimum yield strength and stricter chemical composition requirements than PSL 1

• PSL 2 also has non-destructive inspection requirements

• Gas pipelines use PSL 2 pipes due to their higher strength and durability

• PSL 1 pipes are typically used for low-pressure applications
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Q1. Resume Related questions
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Q1. Depending upon ur experience
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Q2. Work related questions
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Q3. Principal of UT
Ans. 
UT stands for Ultrasonic Testing, a non-destructive testing method used in engineering.
• UT uses high frequency sound waves to detect flaws or defects in materials.

• It is commonly used in industries like aerospace, automotive, and manufacturing.

• UT can be used to inspect welds, pipelines, and structural components.

• The results of UT are displayed in a visual representation called a C-scan or B-scan.
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Small aptitude test to check basic chemical engineering knowledge

Group discussion on a general topic

Q1. How does a tray function in a column
Ans. 
A tray functions in a column by providing a surface for the separation of different components in a process.
• Trays are used in distillation columns to separate different components based on their boiling points.

• They provide a large surface area for vapor-liquid contact, allowing for efficient separation.

• Trays can have various designs, such as bubble cap trays or sieve trays, to enhance separation efficiency.

• They can als...read more
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Q1. Why Conveyor use in Matterials Handling
Ans. 
Conveyors are used in materials handling to efficiently transport goods or materials from one place to another.
• Conveyors help in automating the transportation process, increasing efficiency and reducing manual labor.

• They can handle a wide range of materials, from small parts to heavy items.

• Conveyors can be customized to fit specific needs, such as incline or decline conveyors for elevation changes.

• Examples of conveyors...read more
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Q2. What is preventive maintenance
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Preventive maintenance is the practice of regularly inspecting, servicing, and replacing parts to prevent equipment failure.
• Regularly scheduled inspections and maintenance tasks are performed to prevent breakdowns

• Replacement of worn out parts before they fail to avoid costly repairs

• Helps in increasing the lifespan of equipment and reducing downtime

• Examples include changing oil in a car engine, cleaning air filters in H
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Q3. How to calculate Belt length
Ans. 
Belt length can be calculated using the formula: L = 2C + (πD)
• Measure the distance around the pulleys (C)

• Measure the diameter of the larger pulley (D)

• Use the formula L = 2C + (πD) to calculate the belt length

• For example, if C = 30 inches and D = 10 inches, then L = 2(30) + (3.14)(10) = 60 + 31.4 = 91.4 inches
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Q4. Types of Pully used in any conveyor
Ans. 
Types of pulleys commonly used in conveyors include drive pulleys, idler pulleys, and snub pulleys.
• Drive pulleys are used to transmit power from the motor to the conveyor belt.

• Idler pulleys are used to support and guide the conveyor belt.

• Snub pulleys are used to increase the angle of wrap around the drive pulley to improve traction.

• Other types of pulleys may include bend pulleys, take-up pulleys, and wing pulleys.

• Diffe...read more
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Q5. Types of joint use in Engineering
Ans. 
Various types of joints used in engineering include welded joints, bolted joints, riveted joints, and adhesive joints.
• Welded joints involve fusing two materials together using heat or pressure.

• Bolted joints use bolts and nuts to secure two materials together.

• Riveted joints involve using rivets to connect two materials.

• Adhesive joints use adhesives to bond materials together.
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Q1. Why your leaves your previous job
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Q1. As per resume topics
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Q2. 1.Total Overhauling of pumps and compressor. 2.Heat exchangers total maintenance activities and hydrotest. 3. Brief discussion about 5s 4. General planning and inventory about material. 5. What is WPS ?
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Share details of your previous job.
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Q4. Why should we hire you?
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Q5. Why are you looking for a change?
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Q6. Where do you see yourself in 5 years?
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Q7. What are your strengths and weaknesses?
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Q8. Tell me about yourself.
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Question on General Aptitude, General Reasoning, English

Q1. Introduce About Yourself
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Q2. About Internship
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Q3. About Your final project
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