Nirvaa Solutions Service Engineer Interview Questions and Answers

Yes, the earth fault setting of an ACB breaker does depend on its time delay.

• The earth fault setting of an ACB breaker is typically set based on the time delay required for the breaker to trip in case of an earth fault.

• The time delay setting ensures that the breaker allows for temporary faults to clear without tripping unnecessarily.

• For example, a common setting for earth fault protection in ACB breakers is a time dela...read more

Power factor is maintained by using power factor correction devices like capacitors. Benefits include reduced electricity costs and improved efficiency.

• Power factor can be maintained by using power factor correction devices such as capacitors to offset the inductive load of motors and other equipment.

• Maintaining a high power factor (close to 1) reduces the amount of reactive power flowing through the system, leading to...read more

Equipment used in computer room air handling units include chillers, humidifiers, filters, fans, and controls.

• Chillers: Used to cool the air in the computer room.

• Humidifiers: Used to control the humidity levels in the room.

• Filters: Used to remove dust and other particles from the air.

• Fans: Used to circulate the air throughout the room.

• Controls: Used to regulate the temperature and other settings of the unit.