SIPCOT Mechanic Interview Questions and Answers

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Q1. Technical questions
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Q2. Technical questions i will need job
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Q1. Technical questions
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Q2. I will need job
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Q1. 1). Where you have worked?
Ans. I told about my past job experience.
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Q2. 2). What is TDC and BDC and how do you understand about it?
Ans. 
TDC stands for Top Dead Center and BDC stands for Bottom Dead Center. They are reference points in the rotation of an engine's crankshaft.
• TDC is the point where the piston is at its highest position in the cylinder during the compression stroke.

• BDC is the point where the piston is at its lowest position in the cylinder during the exhaust stroke.

• Understanding TDC and BDC is crucial for timing engine components such as v...read more
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Q3. 3). How you will measure clearance of TDC and BDC for vertical reciprocating compressor ?
Ans. 
The clearance of TDC and BDC for a vertical reciprocating compressor can be measured using a dial indicator.
• Use a dial indicator to measure the distance between the top dead center (TDC) and bottom dead center (BDC) positions of the piston.

• Rotate the crankshaft to bring the piston to TDC and set the dial indicator to zero.

• Rotate the crankshaft to bring the piston to BDC and note the reading on the dial indicator.

• The di...read more
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Q4. 4). How you will measure the clearance for big end bearing ?
Ans. 
The clearance for big end bearing can be measured using a micrometer or a feeler gauge.
• Use a micrometer to measure the diameter of the crankshaft journal and the inner diameter of the big end bearing. The clearance is calculated by subtracting the crankshaft journal diameter from the bearing inner diameter.

• Alternatively, a feeler gauge can be used to measure the clearance by inserting the gauge between the crankshaft j...read more
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Q5. 5). What thing should focus during the suction and discharge valve box up ?
Ans. 
Focus on proper alignment, tightness, material compatibility, and proper torque during suction and discharge valve box up.
• Ensure proper alignment of the valves to prevent leakage

• Check for tightness of the connections to avoid any leaks

• Use materials compatible with the fluid being handled to prevent corrosion or damage

• Apply the correct torque to the bolts to ensure a secure connection
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Q1. Tell me about urself Types of Statics equipment u have experience Types of Exchangers,AFCs,vessels jobs and there materials of constructions
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Q2. Requirement of hydrotest
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Hydrotest is a pressure test conducted on pipes, vessels, or equipment to ensure their strength and integrity.
• Hydrotest is required to ensure that the equipment can withstand the design pressure and prevent leaks or failures.

• It involves filling the equipment with water or other fluids and pressurizing it to a specified level for a certain duration.

• The pressure is then released, and the equipment is inspected for any le...read more
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Q3. Pressure gauges ranges and requirements.
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Pressure gauges are used to measure the pressure of fluids and gases in various industries.
• Pressure gauges come in different ranges depending on the application.

• The range of a pressure gauge should be selected based on the maximum pressure expected in the system.

• The accuracy of the pressure gauge should also be considered when selecting a gauge.

• Pressure gauges should be calibrated regularly to ensure accurate readings.

• ...read more
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Q4. Heaters internal and external tybesheets related
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Q1. Maintenance procedure of heat exchangers.
Ans. 
Maintenance procedures for heat exchangers involve regular cleaning, inspection, and testing to ensure optimal performance.
• Regularly clean the heat exchanger tubes to remove any buildup of debris or scale

• Inspect the heat exchanger for leaks, corrosion, or other signs of damage

• Test the heat exchanger for efficiency and performance using pressure and temperature measurements

• Replace any worn out or damaged parts to preven...read more
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Q2. Maintenance procedure of tanks, vessels.
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Maintenance procedures for tanks and vessels involve regular inspections, cleaning, and repairs to ensure safe and efficient operation.
• Regularly inspect tanks and vessels for signs of corrosion, leaks, or damage.

• Clean tanks and vessels to remove buildup of sediment, rust, or other contaminants.

• Repair any cracks, leaks, or structural damage promptly to prevent further deterioration.

• Perform routine maintenance tasks such...read more
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Q3. Questions related to piping.
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Q1. How many year you have been working on piping engineer
Ans. 
I have been working as a piping engineer for 5 years.
• I have 5 years of experience working specifically as a piping engineer.

• During this time, I have gained expertise in designing, analyzing, and implementing piping systems.

• I have worked on various projects that involved piping design, layout, and maintenance.

• I have also collaborated with other engineers and professionals to ensure the successful completion of projects.
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Q2. Have you work on piping
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Yes, I have experience working on piping in various projects.
• I have designed piping systems for industrial plants

• I have conducted stress analysis on piping systems

• I have worked on troubleshooting and maintenance of piping systems
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Q3. Which is your last company
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Q4. When you have complete you BE degree
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Q1. Tell me about yourself
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Q2. What is your current CTC in your current company
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Q1. What do you know about equipment installation?
Ans. 
Equipment installation involves setting up machinery and ensuring it operates correctly.
• Understanding technical specifications and blueprints

• Assembling and connecting components

• Testing and troubleshooting

• Adhering to safety regulations

• Collaborating with other professionals

• Examples: installing HVAC systems, manufacturing equipment, or production lines
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Q2. What do you know about safety during work?
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