Coromandel International Maintenance Supervisor Interview Questions and Answers

Q1. Last company you worked in?
Ans. 
I worked at XYZ Company, a manufacturing firm specializing in automotive components.
• Responsible for conducting preventive maintenance on production machinery

• Troubleshoot and repair mechanical issues on equipment

• Collaborated with production team to ensure minimal downtime

• Implemented new maintenance procedures to improve efficiency
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Q2. Why you left last job?
Ans. In recession period i lost my job. My company was facing financial crises from last 6 months and finally they given lay off to 41 emoloyees in single day.
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Q3. Are you ready to relocate or daily updown fir job?
Ans. 
Yes, I am willing to relocate or commute daily for the job.
• I am open to relocating for the right opportunity.

• I am willing to commute daily if necessary.

• I understand the importance of flexibility in the job market.
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Q4. What are your salary expectations?
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Q5. As per company policy and my experience.
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Q6. Where are you currently located?
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Q1. Tell me about yourself.
Ans. I done it in marathi. Name, experience, education and currently going upskilling courses and my family background. (I think he was not ready to listen or take interview as he kept his camera off in googlelive interaction and asked me to make my camera on. )
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Q2. What equipments are you handled?
Ans. 
I have handled a wide range of equipment in my role as a Mechanical Maintenance Engineer.
• Pumps and compressors

• Conveyors and material handling equipment

• Boilers and heat exchangers

• HVAC systems

• Generators and power distribution systems

• Machine tools and production equipment

• Hydraulic and pneumatic systems

• Crane and lifting equipment

• Instrumentation and control systems
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Q3. Why did you leave your last company?
Ans. Company was going through financial crises and given 41 employees lay off at that time. (Please mention recession period instead of saying above. As he want to listen only & only corporate world technical words)
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Q4. Why your performance was not good?
Ans. I once again replied with same companies financial crises situation from last six months.
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Q5. How many employees from department got lay off?
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Q6. I replied with 3 out of 6 including our manager.
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Q7. What was product of your last company?
Ans. I replied with intermediate pharmaceutical , nucleoside, speciality chemical and petroleum products. (He manager was intersted in pharmaceutical exp only)
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Q8. If i opened centrifugal pump tell?
Ans. 
When opening a centrifugal pump, it is important to follow proper procedures to ensure safety and prevent damage.
• Before opening the pump, ensure that it is isolated from the power source and all pressure has been relieved.

• Inspect the pump for any signs of damage or wear, such as leaks, cracks, or excessive vibration.

• Check the pump's impeller and casing for any debris or blockages that may affect its performance.

• If nece...read more
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Q9. How the vacuum created in steam ejector?
Ans. 
Vacuum is created in a steam ejector through the principle of jet propulsion.
• Steam ejectors use high-pressure steam to create a low-pressure environment.

• The steam enters the nozzle of the ejector and expands, creating a high-velocity jet.

• This high-velocity jet entrains and compresses the surrounding gas or vapor, reducing its pressure.

• The entrained gas or vapor is then discharged through the diffuser, creating a vacuum...read more
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Q10. Due to high steam from ventury the cycloids is created in entering area in very quick time so creating vacuum. (Don't tell "keep it short and simple" Pattern. Tell in theory way in velocity and pressure ...read more
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Q11. 1 torr=? Mmof hg
Ans. 
1 torr is equal to 0.03937 mm of Hg.
• 1 torr is a unit of pressure equal to 1/760th of standard atmospheric pressure.

• mm of Hg is a unit of pressure commonly used in vacuum systems.

• To convert torr to mm of Hg, multiply by 0.03937.

• Example: 1 torr = 1 * 0.03937 mm of Hg = 0.03937 mm of Hg.
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Q12. 759 mm of hg
Ans. 
759 mm of hg is a unit of pressure measurement.
• mm of hg is a common unit used to measure pressure.

• 759 mm of hg is equivalent to 1012.8 millibars or 14.1 pounds per square inch (psi).

• It is often used in meteorology to measure atmospheric pressure.

• In mechanical maintenance, it can be used to monitor pressure in systems or equipment.

• For example, if a pressure gauge reads 759 mm of hg, it indicates the pressure exerted by
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Q1. Tell me about parameters you observed in clean room area.
Ans. 
In a clean room area, parameters observed include air quality, temperature, humidity, particle count, and pressure differentials.
• Air quality is monitored to ensure low levels of contaminants.

• Temperature is controlled to maintain a stable environment for sensitive equipment.

• Humidity levels are regulated to prevent moisture-related issues.

• Particle count is measured to ensure cleanliness and prevent contamination.

• Pressure...read more
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Q2. TELL ME ABOUTE AHU
Ans. It is Air handling unit used for providing specific or required condition in clean room area for that filters of 10,5 & 0.5 micron installed. It is consisting of cooling and heating lined over which filtered air is allowed to pass through damper system.
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Q3. Tell me mechanical seal types.
Ans. 
Mechanical seal types include cartridge seals, component seals, and bellows seals.
• Cartridge seals are pre-assembled units that are easy to install and replace.

• Component seals are made up of separate rotating and stationary parts.

• Bellows seals use a flexible metal bellows to provide a dynamic seal.
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Q1. What was the job responsibilities in last company?
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Q1. How many people in your family?
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Q1. Switch yard 66kv,power system, transformer
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Q2. Motor,pm, troubleshooting, break down,
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Q3. Safaty permit and all time permits
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Q4. All type starter control wiring and power wiring gaigram.
Ans. 
Sorry, I cannot answer this question as it requires a visual aid to explain the wiring diagrams.
• This question requires a visual aid to explain the wiring diagrams.

• It is not possible to provide a written answer without a diagram.

• Please refer to electrical engineering textbooks or online resources for detailed information.
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Q5. 5-s,rca,psm,jsm,motor burning report
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Q6. Breakers relay and vfd parameters
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Q1. Electrical maintenance, Automation, modification engineer
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Q2. Instrumatation engineer
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Machine design, SOM, Production, Thermodynamics fluid

Q1. Gear and types lathe machine working thermodynamics law coupling
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Q1. Type of reactor available
Ans. 
Various types of reactors are available for different purposes.
• The most common types of reactors are batch, continuous stirred-tank, and plug flow reactors.

• Other types include fluidized bed, fixed bed, and membrane reactors.

• The choice of reactor depends on the specific chemical reaction and process conditions.

• For example, a fluidized bed reactor may be used for catalytic cracking of petroleum, while a membrane reactor ...read more
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Q1. How much salary is expected Current location
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Q1. About mechanical engineering
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Q2. What is hydraulic pump Centrifugal pump Tube bundle dryers Root blower
Ans. 
Hydraulic pump is a device that converts mechanical energy into hydraulic energy. Centrifugal pump is a type of pump that uses centrifugal force to move fluid. Tube bundle dryers are used to dry materials in a tube. Root blower is a type of positive displacement blower.
• Hydraulic pump converts mechanical energy into hydraulic energy

• Centrifugal pump uses centrifugal force to move fluid

• Tube bundle dryers are used to dry m...read more
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