Plastiblends India Senior Mechanical Maintenance Engineer Interview Questions and Answers

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Q1. Tell about your self
Ans. 
I am a dedicated Mechanical Engineer with a strong background in designing and implementing mechanical systems.
• Graduated with a degree in Mechanical Engineering from XYZ University

• Proficient in CAD software such as SolidWorks and AutoCAD

• Experienced in conducting stress analysis and simulations for mechanical components

• Worked on projects involving HVAC systems design and optimization
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Q2. What is your goals
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My goal is to continuously improve my technical skills, contribute to innovative projects, and eventually become a lead engineer in the field.
• Continuously improve technical skills through ongoing education and training

• Contribute to innovative projects by proposing and implementing new ideas

• Work towards becoming a lead engineer by taking on more responsibilities and leadership roles
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Q1. 1 mtr = … mm
Ans. 
1 mtr = 1000 mm
• 1 meter is equal to 1000 millimeters

• To convert meters to millimeters, multiply by 1000

• For example, 2 meters is equal to 2000 millimeters
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Q2. 1 inch how much mm
Ans. 
1 inch is equal to 25.4 millimeters.
• 1 inch = 25.4 mm

• To convert inches to millimeters, multiply by 25.4

• Commonly used conversion in engineering and construction
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Q1. Basics of maintenance
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Q2. What types of pumps you have used in previous company?
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Q3. What are different types of reactor?
Ans. 
Different types of reactors include batch reactors, continuous stirred tank reactors, plug flow reactors, and fluidized bed reactors.
• Batch reactors: Used for small-scale production or research purposes.

• Continuous stirred tank reactors: Commonly used in chemical and biochemical industries.

• Plug flow reactors: Ideal for reactions with high conversion rates and minimal side reactions.

• Fluidized bed reactors: Suitable for re...read more
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Q4. What is Vaccum and which vaccum pump you have used?
Ans. 
A vacuum is a space devoid of matter. I have used a rotary vane vacuum pump.
• A vacuum is a region with no particles or gas molecules.

• It is created by removing air or other gases from a sealed container.

• Vacuum pumps are used to create and maintain a vacuum.

• I have used a rotary vane vacuum pump, which uses rotating vanes to create a vacuum.

• This type of pump is commonly used in various applications, such as in HVAC systems
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Q5. Which Ejector types system do you have used?
Ans. 
I have used the Single-stage ejector system and the Multi-stage ejector system.
• Single-stage ejector system: This system uses a single ejector stage to create a vacuum or low-pressure environment. It is commonly used in applications such as vacuum cleaners and air conditioning systems.

• Multi-stage ejector system: This system uses multiple ejector stages in series to achieve higher levels of vacuum or lower pressures. It ...read more
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Q1. Types of material of reactor
Ans. 
Reactors can be made of various materials depending on the application and requirements.
• Common materials include stainless steel, carbon steel, and titanium.

• Reactor linings can be made of glass, ceramic, or polymer materials.

• Materials must be chosen based on factors such as temperature, pressure, and chemical compatibility.

• Reactor materials must also be able to withstand corrosion and erosion over time.

• Materials used i...read more
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Q2. Remove to change reactor new sheel
Ans. 
The question is unclear and lacks context.
• Please provide more information about the reactor and the new shell.

• What is the reason for removing the old shell?

• What tools and equipment are required for the job?

• What safety precautions need to be taken?

• Are there any specific procedures or guidelines to follow?

• Consult with experts and refer to manuals before attempting the task.
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Q3. Types of vessels entry
Ans. 
There are three types of vessels entry: Confined Space Entry, Hot Work Entry, and Cold Work Entry.
• Confined Space Entry involves entering a space that is enclosed and has limited access points.

• Hot Work Entry involves entering a space where welding, cutting, or other heat-producing activities are being performed.

• Cold Work Entry involves entering a space where maintenance or repair work is being done that does not involve...read more
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Q4. Types of blowers and full form of pm
Ans. 
Blowers can be classified into centrifugal, positive displacement, and regenerative types. PM stands for Preventive Maintenance.
• Centrifugal blowers use centrifugal force to increase air pressure

• Positive displacement blowers use a mechanical means to trap and transport air

• Regenerative blowers use a rotating impeller to create air flow

• PM is a maintenance strategy that involves regular inspections and repairs to prevent e
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Q5. Types of empelr and no oil
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Empelr and no oil are not common terms in maintenance engineering. Please provide more context.
• Please provide more information or context for the terms empelr and no oil.

• Without context, it is difficult to provide a meaningful answer.

• It is possible that these terms are specific to a certain industry or company.

• Please clarify the question so that a proper answer can be given.
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Share details of your previous job.
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Q4. Why are you looking for a change?
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Q5. Tell me about yourself.
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Q6. Where do you see yourself in 5 years?
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Q1. This question is about job
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Q1. What are your salary expectations?
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Q1. What's your strength
Ans. My strength is hard work and my good behavior
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Q2. Full form of pasav and what is its function
Ans. 
PASAV stands for Pressure Actuated Safety and Automatic Valve. It is used to control the flow of fluids in a system based on pressure levels.
• PASAV is a type of valve used in mechanical systems.

• It automatically opens or closes based on the pressure levels in the system.

• PASAV helps in maintaining safe pressure levels in the system to prevent damage or accidents.

• Example: PASAVs are commonly used in hydraulic systems to re
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Q3. Sir psv full form is pressure safety valve is work in safety pressure
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Q4. How to work in open spanner
Ans. 
To work in open spanner, place the spanner on the nut or bolt and turn it in the desired direction.
• Select the correct size of open spanner for the nut or bolt

• Place the open end of the spanner on the nut or bolt

• Turn the spanner in the desired direction to loosen or tighten the nut or bolt

• Ensure the spanner is securely placed on the nut or bolt to avoid slipping
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Q5. Types of welding
Ans. 
Types of welding include MIG, TIG, stick, and flux-cored welding.
• MIG welding uses a wire electrode and shielding gas to create a strong bond.

• TIG welding uses a tungsten electrode and inert gas for precise and clean welds.

• Stick welding uses a consumable electrode coated in flux to create a strong bond.

• Flux-cored welding uses a tubular wire filled with flux for outdoor and windy conditions.
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Q6. What company have you worked in before
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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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