10+ Info Edge Interview Questions and Answers

Regular maintenance, monitoring and timely repairs can improve machine efficiency.

• Regularly inspect and maintain the machine

• Monitor machine performance using condition monitoring techniques

• Identify and address any issues or defects promptly

• Implement predictive maintenance strategies

• Train operators and maintenance staff on proper use and maintenance of the machine

Proper lubrication can significantly increase bearing life and machine health.

• Lubrication reduces friction and wear between moving parts, preventing overheating and premature failure.

• It also helps to protect against corrosion and contamination.

• Different types of bearings require different types of lubricants, and proper application is crucial.

• Regular maintenance and monitoring of lubrication levels can prevent costly repairs and downtime.

• Examples of lubricants include oil, gr...read more

MM types include micrometers, calipers, and gauges. NDT is non-destructive testing used in industries to detect flaws in materials.

• MM tools are used to measure dimensions of objects accurately

• Examples of MM tools include micrometers, calipers, and gauges

• NDT is a testing method used to detect flaws in materials without causing damage

• NDT is used in industries such as aerospace, automotive, and construction

• NDT methods include ultrasonic testing, radiography, and magnetic particl...read more

Condition monitoring helps to predict equipment failures, prevent downtime, and optimize maintenance schedules.

• To predict equipment failures before they occur

• To prevent unexpected downtime and production losses

• To optimize maintenance schedules and reduce costs

• To extend the lifespan of equipment and improve overall reliability

• To ensure safety and compliance with regulations

• Examples: monitoring vibration levels in rotating machinery, analyzing oil samples for signs of wear and ...read more

Thermographic inspection is a non-destructive testing technique that uses infrared cameras to detect temperature variations in an object or system.

• Uses infrared cameras to capture thermal images

• Detects temperature variations that may indicate potential issues

• Non-destructive testing method for condition monitoring

• Commonly used in electrical systems, mechanical equipment, and building inspections

Vibration analysis is a technique used to monitor and analyze the vibration levels of machinery to detect faults and potential failures.

• It involves measuring the vibration levels of machinery using specialized equipment.

• By analyzing the vibration patterns, technicians can identify potential faults such as unbalance, misalignment, or bearing wear.

• Vibration analysis helps in predicting and preventing machinery failures, reducing downtime and maintenance costs.

• Common tools used ...read more

Vibration can be caused by unbalanced components, misalignment, loose parts, worn bearings, or resonance.

• Unbalanced components create vibration due to unequal distribution of mass

• Misalignment of shafts can lead to vibration as the rotating parts are not in proper alignment

• Loose parts can cause vibration as they move around during operation

• Worn bearings can result in vibration due to increased friction and lack of support

• Resonance occurs when the natural frequency of a system ...read more

Misalignment refers to the state of being out of alignment or not properly aligned.

• Misalignment can occur in various contexts, such as in mechanical systems, optical devices, or organizational structures.

• Examples of misalignment include a car's wheels being out of alignment, a camera lens being misaligned, or a company's goals not aligning with its employees' objectives.

• Misalignment can lead to inefficiencies, errors, or even failures, and may require corrective actions to re...read more

Bearings can be identified by their size, shape, and markings.

• Measure the inner and outer diameter of the bearing

• Check the width of the bearing

• Look for markings on the bearing such as part numbers or manufacturer logos

• Identify the type of bearing (e.g. ball bearing, roller bearing)

• Check for any damage or wear on the bearing

Vibration is a rapid back-and-forth motion of an object or medium.

• Vibration can be caused by mechanical forces, such as a motor or engine running.

• It can also be caused by natural phenomena, such as earthquakes or thunder.

• Vibration can have both positive and negative effects, such as in musical instruments or machinery.

• Excessive vibration can cause damage to structures or equipment, and can be harmful to human health.

• Vibration can be measured and analyzed using specialized equ...read more

A mechanical HSM-down coiler is used to coil hot strip mill products in a controlled manner.

• The mechanical HSM-down coiler is designed to coil hot strip mill products such as steel coils.

• It is used to control the coiling process and ensure proper winding of the strip.

• The coiler may have features such as tension control, speed control, and automatic coil handling.

• Examples of mechanical HSM-down coilers include those used in steel manufacturing plants.