Indo Amines Mechanical Maintenance Engineer Interview Questions and Answers

Q1. Mechanical rotary and safety related questions
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Q2. Family introduction and self introduction
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Q1. Why did you leave your last job?
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Q2. Provide me all documents needed
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Q3. What was your last package? Provide salary slip and joining letter.
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Q1. Where did you work lastly
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Q2. Why did you leave last company
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Q3. What was your role
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Q4. Tell equipments u handled.
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I have handled various equipment including pumps, compressors, turbines, and conveyors.
• Pumps: I have experience in maintaining and troubleshooting centrifugal pumps used in industrial processes.

• Compressors: I have worked with reciprocating and rotary compressors used for air and gas compression.

• Turbines: I have dealt with steam turbines used in power generation and gas turbines used in various applications.

• Conveyors: I...read more
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Q5. What is vacuum drop permissible for reactor vacuum testing?
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The permissible vacuum drop for reactor vacuum testing depends on various factors such as the type of reactor and its design specifications.
• The permissible vacuum drop can vary depending on the type of reactor being tested.

• For some reactors, a vacuum drop of 5-10% may be considered acceptable.

• In other cases, a vacuum drop of less than 2% may be required.

• The specific permissible vacuum drop should be determined based on...read more
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Q6. How will you check for pump alignment?
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To check for pump alignment, use laser alignment tools and follow a step-by-step process.
• Use laser alignment tools to measure and correct misalignment

• Start by checking the pump and motor shafts for parallelism and angularity

• Measure the offset and angular misalignment using the laser alignment tool

• Adjust the pump and motor positions to achieve proper alignment

• Recheck the alignment after adjustments and make necessary co...read more
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Q7. What is temperature of cooling tower water temp?
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The temperature of cooling tower water varies depending on the specific system and operating conditions.
• The temperature of cooling tower water is typically maintained within a specific range to ensure efficient cooling.

• Factors such as ambient temperature, heat load, and water flow rate can influence the cooling tower water temperature.

• Cooling tower water temperature can be measured using temperature sensors or thermome...read more
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Q8. What is unit of pressure?
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The unit of pressure is the pascal (Pa).
• The pascal is defined as one newton per square meter (N/m²).

• Other common units of pressure include pounds per square inch (psi) and atmospheres (atm).

• Pressure can also be measured in millimeters of mercury (mmHg) or torr.

• In engineering, pressure is often expressed in kilopascals (kPa) or megapascals (MPa).
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Q9. What is ph range?
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pH range refers to the scale that measures the acidity or alkalinity of a substance.
• pH range is a scale from 0 to 14.

• A pH value of 7 is considered neutral.

• Values below 7 indicate acidity, with lower values being more acidic.

• Values above 7 indicate alkalinity, with higher values being more alkaline.

• For example, lemon juice has a pH range of 2-3, making it highly acidic.

• Baking soda has a pH range of 8-9, making it slight
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Q1. What are the bearing types used in axially split centrifugal Pumps?
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The bearing types used in axially split centrifugal pumps are mainly ball bearings and sleeve bearings.
• Ball bearings are commonly used in axially split centrifugal pumps due to their high load capacity and low friction.

• Sleeve bearings, also known as journal bearings, are used in pumps that operate at lower speeds and lower loads.

• Other types of bearings, such as roller bearings, may also be used depending on the specifi
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Q2. What is condition monitoring?
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Condition monitoring is the process of monitoring the health and performance of machinery and equipment to detect any potential faults or failures.
• It involves the use of various techniques and tools to continuously monitor the condition of machines.

• Condition monitoring helps in identifying early signs of deterioration or malfunction, allowing for timely maintenance or repair.

• Common techniques used in condition monitori...read more
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Q1. Easy questions in fluid mechanics
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Q1. Pipe schdule and class
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Q2. MOC IS code details
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Production engineer for cnc programming and Drawing knowledge

Q1. What is the function of cooling tower
Ans. 
Cooling towers are used to remove heat from a building or industrial process by transferring it to the atmosphere.
• Cooling towers are used in HVAC systems to cool water that has been heated by air conditioning systems or industrial processes.

• They work by evaporating a small portion of the water to remove heat, which lowers the overall temperature of the remaining water.

• The cooled water is then circulated back into the s...read more
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