Tekman India General Manager Engineering Interview Questions and Answers

Technical based interview.
Heat exchanger mainly in focus

Q1. Explain the details about heat exchanger.
Ans. 
Heat exchanger is a device used to transfer heat between two or more fluids.
• Heat exchangers are used in various industries such as chemical, petrochemical, power generation, and HVAC.

• They can be classified into different types such as shell and tube, plate and frame, and spiral.

• The fluids can be in direct contact or separated by a wall depending on the application.

• Heat exchangers can be designed for different purposes ...read more
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Q2. Explain LMTD,HEAT LOAD CALCULATIONS,
Ans. 
LMTD is a temperature difference used in heat exchanger design. Heat load calculations determine the amount of heat transferred.
• LMTD stands for Logarithmic Mean Temperature Difference and is used to calculate the temperature difference between two fluids in a heat exchanger.

• Heat load calculations are used to determine the amount of heat transferred in a system.

• Factors such as flow rate, temperature, and specific heat c...read more
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Q3. Explains use in calculation units.
Ans. 
Units are used in calculations to ensure consistency and accuracy.
• Units provide a standard of measurement for calculations.

• They ensure consistency and accuracy in calculations.

• Units can be converted to other units using conversion factors.

• Examples of units include meters, seconds, kilograms, and moles.
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Q4. Explain Pipeline size calculation and assumed velocities for different cases?
Ans. 
Pipeline size calculation involves determining the diameter of the pipeline based on the flow rate and velocity of the fluid.
• Pipeline size is calculated based on the required flow rate and the velocity of the fluid.

• The velocity of the fluid is determined based on the type of fluid and the purpose of the pipeline.

• Assumed velocities for different cases are based on industry standards and regulations.

• For example, the assu...read more
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Q5. Asked about yourself and family background.
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