Qatar Petrochemical Company Mechanical Engineer Interview Questions and Answers

Q1. MAT CODE OF PIPING FITTINGS AND ISOMETRIC DRAWINGS
Ans. 
MAT code is a standard coding system used for identifying piping fittings and isometric drawings in mechanical engineering.
• MAT code is a unique identifier assigned to each piping fitting for easy reference and identification.

• Isometric drawings are detailed technical drawings that show the piping system in a 3D perspective.

• Understanding MAT codes is essential for accurately interpreting and working with piping fittings
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Q2. WHAT IS USE OF HDPE PIPING AND CS PIPING.
Ans. 
HDPE piping is used for water and gas distribution due to its flexibility and corrosion resistance, while CS piping is used for high temperature and pressure applications due to its strength and durability.
• HDPE piping is commonly used for water and gas distribution systems due to its flexibility, corrosion resistance, and ability to withstand low temperatures.

• CS piping, or carbon steel piping, is used for high temperat...read more
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Q1. HOW MANY EXPERIENCES?
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Q1. Oil and gas statics equipment
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Q2. Static related questions
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Q3. Rotary related questions
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Q1. Experience oil and gas
Ans. 
I have over 10 years of experience in the oil and gas industry.
• Worked as a Mechanical Supervisor for various oil and gas companies

• Managed maintenance and repair of equipment such as pumps, compressors, and turbines

• Implemented safety protocols and ensured compliance with industry regulations

• Collaborated with engineers and other professionals to optimize production and minimize downtime

• Trained and supervised a team of te
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Q1. Oil and gas mechanical
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Q1. Design and Development basis
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Design and development basis in mechanical engineering
• Design and development are the foundation of mechanical engineering

• Design involves creating a blueprint or plan for a product or system

• Development involves turning the design into a functional product or system

• Design and development must take into account factors such as cost, safety, and efficiency

• Examples of design and development in mechanical engineering include...read more
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Q2. Project handled details
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Q3. Asking in detail what we mentioned in Resume
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Q1. How many gasket in floting head heat exchanger
Ans. 
The number of gaskets in a floating head heat exchanger varies depending on the design and size of the exchanger.
• The number of gaskets is typically determined by the number of tube passes in the heat exchanger.

• Each tube pass may require multiple gaskets, depending on the design.

• The gaskets are used to create a seal between the floating head and the tube sheet.

• The number of gaskets can range from a few to several dozen,...read more
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Q2. Types of heat exchanger
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Heat exchangers are devices used to transfer heat between two or more fluids.
• Shell and tube heat exchanger

• Plate heat exchanger

• Fin tube heat exchanger

• Double pipe heat exchanger

• Spiral heat exchanger

• Regenerative heat exchanger
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Technical questions+basic engineering

Q1. Overall background
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Q2. Expected salary
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Q1. MAT CODE OF PIPING FITTINGS AND ISOMETRIC DRAWINGS
Ans. 
MAT code is a standard coding system used for identifying piping fittings and isometric drawings in mechanical engineering.
• MAT code is a unique identifier assigned to each piping fitting for easy reference and identification.

• Isometric drawings are detailed technical drawings that show the piping system in a 3D perspective.

• Understanding MAT codes is essential for accurately interpreting and working with piping fittings
Answered by AI
Add your answer
Q2. WHAT IS USE OF HDPE PIPING AND CS PIPING.
Ans. 
HDPE piping is used for water and gas distribution due to its flexibility and corrosion resistance, while CS piping is used for high temperature and pressure applications due to its strength and durability.
• HDPE piping is commonly used for water and gas distribution systems due to its flexibility, corrosion resistance, and ability to withstand low temperatures.

• CS piping, or carbon steel piping, is used for high temperat...read more
Answered by AI
Add your answer

Q1. HOW MANY EXPERIENCES?
Add your answer