Kanpur Fertilizers & Chemicals Diploma Trainee Engineer Interview Questions and Answers

A bearing is a machine element that allows one part to rotate or move freely relative to another part.

• Bearing reduces friction between moving parts

• Common types include ball bearings, roller bearings, and plain bearings

• Used in various applications such as automotive, industrial machinery, and household appliances

My hobby is woodworking, where I enjoy creating furniture and home decor items.

• Woodworking is a creative outlet for me

• I enjoy designing and building furniture pieces

• I like working with different types of wood and finishes

Gear box failure can be caused by various reasons such as lack of lubrication, overheating, worn out gears, or improper maintenance.

• Lack of lubrication causing increased friction and wear on gears

• Overheating leading to thermal expansion and distortion of gears

• Worn out gears due to prolonged usage without replacement

• Improper maintenance such as infrequent oil changes or ignoring warning signs

The type of lubricant used depends on the specific equipment and application, such as grease for bearings or oil for gears.

• Consider the operating conditions of the equipment, such as temperature and load

• Choose the appropriate viscosity and additives for the specific application

• Regularly monitor and maintain the lubricant levels to ensure optimal performance

• Examples: grease for bearings, oil for gears, silicone lubrican

The type of conveyor belt used in the maintenance process.

• Rubber conveyor belts are commonly used for general maintenance purposes.

• Steel conveyor belts are used for heavy-duty applications.

• Modular plastic conveyor belts are used for food processing and packaging.

Shaft balancing in accordance with ISO 21940-11 and ISO 21940-12 standards involves reducing vibrations by adjusting the mass distribution along the shaft.

• Shaft balancing aims to minimize vibrations in rotating machinery by adjusting the mass distribution along the shaft.

• ISO 21940-11 specifies the balancing process for rigid rotors, while ISO 21940-12 covers the balancing of flexible rotors.

• Balancing involves adding or...read more

Equipment alignment involves ensuring that all components of a machine are properly positioned and oriented to work efficiently and accurately.

• Ensuring that all parts of the equipment are correctly positioned relative to each other

• Checking and adjusting the alignment of shafts, belts, gears, and other components

• Using precision tools such as laser alignment systems to achieve accurate alignment

• Proper alignment helps pre...read more

API STD 610 is a standard for centrifugal pumps for petroleum, petrochemical, and natural gas industries.

• API STD 610 specifies requirements for centrifugal pumps used in the petroleum, petrochemical, and natural gas industries.

• It covers design, materials, testing, and performance of centrifugal pumps.

• The standard also includes guidelines for pump selection, installation, operation, and maintenance.

• API STD 610 helps ens...read more

API 510 is used for pressure vessel inspection and maintenance in accordance with industry standards.

• API 510 is a widely recognized standard for the inspection, repair, alteration, and rerating of pressure vessels.

• It ensures that pressure vessels are maintained in a safe and reliable condition.

• By following API 510 guidelines, maintenance engineers can ensure compliance with industry standards and regulations.

• Using API ...read more

A filler gauge is a tool used to measure the gap between two objects.

• Filler gauges are commonly used in maintenance to check clearances between parts

• They are typically made of a set of thin metal blades of varying thickness

• The user selects the appropriate blade that fits snugly in the gap being measured

• Filler gauges are useful for ensuring proper tolerances in machinery and equipment

The least count diameter refers to the smallest increment that can be measured on a diameter scale.

• Least count diameter is the smallest division that can be measured on a diameter scale.

• It is typically determined by the precision of the measuring instrument being used.

• For example, if a micrometer has a least count of 0.01 mm, it means that it can measure diameter increments in 0.01 mm intervals.

I am responsible for maintaining and repairing various parts in the machinery and equipment.

• I am familiar with the different types of bearings used in machinery such as ball bearings, roller bearings, and sleeve bearings.

• I have experience in troubleshooting and replacing faulty bearings to ensure smooth operation of the equipment.

• I work closely with the procurement team to ensure we have an adequate supply of bearings ...read more

Relays are electrically operated switches that control high power circuits with low power signals. Types include electromechanical, solid state, and reed relays.

• Relays work by using an electromagnet to mechanically switch contacts open or closed.

• Types of relays include electromechanical relays, solid state relays, and reed relays.

• Electromechanical relays use an electromagnet to operate mechanical contacts.

• Solid state r...read more

A single line diagram is a simplified diagram that shows the electrical connections and components of a power system in a single line.

• It is used to represent the electrical system in a simplified manner.

• It shows the connections between various components like generators, transformers, circuit breakers, etc.

• It helps in understanding the overall layout of the system and how different components are interconnected.

• It is c...read more

PID stands for Proportional-Integral-Derivative, a control loop feedback mechanism used in industrial processes to maintain desired setpoints.

• PID is a control algorithm that calculates an error value as the difference between a desired setpoint and a measured process variable.

• The PID controller then adjusts the process control inputs to minimize the error and keep the process variable close to the setpoint.

• The Proporti...read more

A thermowell in a tank is a protective device used to shield temperature sensors from the harsh environment inside the tank.

• Thermowells are typically made of metal and are inserted into the tank to provide a sealed chamber for the temperature sensor.

• They help protect the sensor from corrosion, pressure, and other damaging factors inside the tank.

• Thermowells also allow for easy removal and replacement of the temperature...read more