Gulf Petrochemical Services & Trading Mechanical Engineer Interview Questions and Answers

Q1. Mechanical Engineer technical
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Q2. Vacuum place are welding possible??
Ans. 
Yes, welding in a vacuum is possible.
• Welding in a vacuum is possible because the absence of air prevents oxidation of the materials being welded.

• Specialized equipment and techniques are required for welding in a vacuum to ensure proper bonding of materials.

• Examples of welding in a vacuum include aerospace components and certain types of scientific equipment.
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Q1. Any technical questions
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Q2. As well as engineer drawing
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Manufacturing products are used in human life....

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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Simple aptitude questions ,
Previous experience related questions

Q1. Which bearing used in gearbox What types of Maintenance
Ans. 
The type of bearing used in a gearbox depends on the application. Common types include ball bearings, roller bearings, and sleeve bearings.
• The type of bearing used in a gearbox depends on the application and the load it will be subjected to.

• Ball bearings are commonly used in high-speed applications, while roller bearings are used for heavy loads.

• Sleeve bearings are used in low-speed applications and require lubrication...read more
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Q2. Day to day routine activity What is a good Maintenance plan
Ans. 
A good maintenance plan involves regular inspections, preventive maintenance, and timely repairs.
• Regularly inspect equipment to identify potential issues before they become major problems

• Perform preventive maintenance tasks such as lubrication, cleaning, and calibration

• Schedule repairs promptly to minimize downtime and prevent further damage

• Keep detailed records of maintenance activities and equipment performance

• Contin...read more
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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
Ans. 
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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Q1. How pumps work?
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Pumps are devices that use mechanical action to move fluids from one place to another.
• Pumps work by creating a pressure difference to push fluids through a system.

• They typically consist of an inlet, an outlet, and an impeller or rotor.

• The impeller rotates, creating centrifugal force that pushes the fluid outwards.

• Positive displacement pumps use reciprocating or rotary motion to move fluid in discrete volumes.

• Examples o...read more
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Q2. Draw Stress Strain graph
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A stress-strain graph shows the relationship between stress and strain in a material.
• The graph typically has stress on the y-axis and strain on the x-axis.

• It starts with a linear elastic region where stress is directly proportional to strain.

• Beyond the elastic limit, the material enters the plastic region where permanent deformation occurs.

• The graph may show a yield point, ultimate tensile strength, and fracture point.

• ...read more
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