Wipro Infrastructure Engineering Mechanical Maintenance Engineer Interview Questions and Answers

Q1. Which type of bearing used to axial load?
Ans. 
Thrust bearings are used to axial load in mechanical applications.
• Thrust bearings are designed to handle axial loads

• They are commonly used in applications where the load is primarily in the axial direction

• Examples include ball thrust bearings and roller thrust bearings
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Q2. Why is used to gear box?
Ans. 
Gear boxes are used to control the speed and torque of a mechanical system by changing the gear ratio.
• Gear boxes allow for the transmission of power from one component to another at different speeds and torques.

• They are used to increase or decrease the speed of rotation depending on the application requirements.

• Gear boxes also provide mechanical advantage by increasing the torque output while reducing the speed of rota...read more
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Q3. Which types of pump used by slurry disposal ?
Ans. 
Centrifugal pumps and positive displacement pumps are commonly used for slurry disposal.
• Centrifugal pumps are often used for transporting large volumes of slurry with low viscosity.

• Positive displacement pumps are suitable for handling high viscosity slurry or slurry with solid particles.

• Examples of pumps used for slurry disposal include centrifugal slurry pumps and progressive cavity pumps.
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Q4. Types of alignments?
Ans. 
Types of alignments include shaft alignment, coupling alignment, and belt alignment.
• Shaft alignment ensures that the shafts of rotating equipment are properly aligned to prevent vibration and wear.

• Coupling alignment involves aligning the coupling components to ensure smooth power transmission.

• Belt alignment ensures that belts are properly aligned on pulleys to prevent slippage and wear.

• Other types of alignments may inc...read more
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Q5. Difference between conving pressure and instrument pressure.
Ans. 
Converting pressure is the process of converting pressure units, while instrument pressure is the pressure measured by an instrument.
• Converting pressure involves changing the units of pressure, such as from psi to bar or Pa to atm.

• Instrument pressure is the actual pressure measured by a pressure gauge or sensor.

• Converting pressure is a mathematical calculation, while instrument pressure is a physical measurement.

• For ex...read more
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Q1. Hand on experience
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Q2. Mechanical assembly and deassembly
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Q1. Why we hire you
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Q2. Do u work in shift
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Q1. What is maintenance
Ans. 
Maintenance is the process of ensuring that equipment, machinery, or systems are kept in good working condition to prevent breakdowns and prolong their lifespan.
• Regular inspections and repairs are conducted to identify and address any issues before they escalate.

• Preventive maintenance schedules are created to proactively maintain equipment and prevent unexpected failures.

• Corrective maintenance is performed to fix issue...read more
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Q2. Injection moulding
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Q1. Self introduction
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Production line manufacturing

Q1. Knowledge skills
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Q1. I applied via Recruitment Consultant and was interviewed before sem 2021.
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Q2. How many Engineering Documents will be process if you handle EPC project?
Ans. 
The number of engineering documents processed in an EPC project depends on the project scope and complexity.
• The number of engineering documents can range from a few hundred to several thousand.

• Documents include design drawings, specifications, calculations, reports, and contracts.

• The project size, type, and location can also impact the number of documents.

• Efficient document management is crucial for project success and...read more
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Q1. Air compressor colling tawar boiler
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Q2. Pump gasket set
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