Zeeta Electrical Engineering Maintenance Manager Interview Questions and Answers

No, NC stands for Normally Open and Normally Closed.

• No, NC are terms used in electrical circuits.

• No refers to Normally Open, which means the circuit is open when there is no current flowing through it.

• NC refers to Normally Closed, which means the circuit is closed when there is no current flowing through it.

• These terms are commonly used in relays, switches, and other electrical components.

• Understanding No, NC is import...read more

A compressor is a mechanical device that increases the pressure of a gas by reducing its volume.

• Compressors are used in various industries such as refrigeration, air conditioning, and gas processing.

• They come in different types such as reciprocating, rotary, and centrifugal compressors.

• The unit of a compressor is typically measured in cubic feet per minute (CFM) or liters per minute (LPM).

Use a phase failure relay to protect the motor.

• Install a phase failure relay to detect the absence of a phase and disconnect the motor from the supply.

• Check the motor's wiring and connections to ensure they are correct and secure.

• If the motor is already running, shut it down immediately to prevent damage.

• Consult with an electrician to determine the cause of the phase failure and resolve the issue.

• Consider using a backu...read more

Improving power factor can be achieved by reducing reactive power and increasing active power.

• Installing capacitors to reduce reactive power

• Using energy-efficient motors and equipment to reduce power losses

• Implementing power factor correction techniques

• Regular maintenance of electrical equipment

• Monitoring power factor and taking corrective actions

• Educating employees on energy conservation

• Negotiating with utility compan