Equate Petrochemical Mechanical Supervisor Interview Questions and Answers

Q1. I not selected but I suggest all mechanical engineering do preparation on fluid,thermal, oils hydraulic, machine, metallurgy etc along with aptitude
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Technical questions+basic engineering

Q1. Overall background
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Q2. Expected salary
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Q1. Pump, compressor, mechanical seal, dry gas seal
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Q2. Function of dry gas seal
Ans. 
Dry gas seals are used in centrifugal compressors to prevent gas leakage and contamination.
• Prevents gas leakage in centrifugal compressors

• Helps in preventing contamination of process gas

• Used in high-pressure applications

• Requires a barrier gas to operate effectively
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Q3. What is NPSH in pump operation?
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NPSH stands for Net Positive Suction Head and is a measure of the pressure available at the suction port of a pump to prevent cavitation.
• NPSH is important for ensuring that a pump does not cavitate, which can cause damage to the pump and reduce its efficiency.

• It is calculated by subtracting the vapor pressure of the liquid being pumped from the total suction head of the pump.

• NPSH is typically provided by the pump manuf...read more
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Q4. What maintenance philosophy should be followed?
Ans. 
The proactive maintenance philosophy should be followed to prevent breakdowns and maximize equipment reliability.
• Implement a preventive maintenance program to regularly inspect and maintain equipment

• Utilize predictive maintenance techniques such as vibration analysis or thermal imaging to identify potential issues before they occur

• Focus on reliability-centered maintenance to prioritize critical assets and optimize main...read more
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Q5. Have you any experience in turnaround maintenance?
Ans. 
Yes, I have extensive experience in turnaround maintenance in various industries.
• Managed turnaround maintenance projects for industrial equipment and machinery

• Coordinated with maintenance teams to ensure timely completion of tasks

• Implemented preventive maintenance strategies to minimize downtime

• Utilized advanced tools and technologies to optimize maintenance processes

• Tracked and analyzed maintenance data to improve eff
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Q1. Your past company experience is important.
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Q1. Basic techniques good tack over running problem and maintain the parts stock
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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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