JSW Energy Senior Manager Interview Questions and Answers

Dominant frequencies of 1×, 2×, and 3× RPM in the spectrum indicate faults in rotating equipment.

• 1× RPM indicates misalignment or unbalance

• 2× RPM indicates gear or bearing faults

• 3× RPM indicates resonance or coupling issues

Diagnosing abnormal sound from mill motor without vibration analyzer

• Check for any visible signs of damage or wear on the motor and surrounding components

• Listen for any changes in the sound when the motor is turned off and on again

• Check the lubrication system and oil levels

• Inspect the belts and pulleys for any signs of wear or damage

• Consult with experts or manufacturers for further guidance

Centrifugal pump performance characteristics refer to the relationship between flow rate, head, power, and efficiency.

• Flow rate is the volume of fluid that passes through the pump per unit time.

• Head is the energy added to the fluid by the pump and is proportional to the pressure increase.

• Power is the energy required to operate the pump and is proportional to the flow rate and head.

• Efficiency is the ratio of the energy ...read more

HP and KW are units of power measurement, with HP being the imperial unit and KW being the metric unit.

• HP stands for horsepower and is commonly used in the United States and other countries that use the imperial system of measurement.

• KW stands for kilowatt and is commonly used in countries that use the metric system of measurement.

• 1 horsepower is equal to 0.7457 kilowatts.

• The relationship between HP and KW is important...read more

A near miss is an unplanned event that could have resulted in injury, damage or loss but did not.

• A near miss is a potential hazard that was avoided due to timely intervention or sheer luck.

• It is an event that could have resulted in harm or damage but did not.

• Near misses are often used as a learning opportunity to prevent future incidents.

• Examples of near misses include a car narrowly avoiding a collision, a worker almo...read more

We ensure compliance with all environmental regulations and laws.

• Regularly review and update environmental policies and procedures

• Conduct regular audits to ensure compliance with regulations

• Train employees on proper environmental practices

• Implement waste reduction and recycling programs

• Maintain records and documentation to demonstrate compliance

• Collaborate with regulatory agencies to stay up-to-date on changes in regul