ZS Interview Questions and Answers

DG Automation refers to the automation of Diesel Generator systems.

• DG Automation involves the use of control systems and software to monitor and control the operation of Diesel Generator sets.

• It helps in optimizing the performance and efficiency of the DG sets.

• DG Automation can include features like remote monitoring, automatic start/stop, load sharing, fault detection, and protection.

• It can also involve integration with other systems like power management systems or building...read more

Fuses and circuit breakers are safety devices used to protect electrical circuits from overloads and short circuits.

• Fuses are designed to melt and break the circuit when there is an overload or short circuit, preventing damage to the circuit or equipment.

• Circuit breakers are switches that automatically trip when there is an overload or short circuit, cutting off the flow of electricity.

• Fuses need to be replaced after they have melted, while circuit breakers can be reset after...read more

SMPS stands for Switched Mode Power Supply, a type of power supply that uses switching devices to convert electrical power.

• SMPS is more efficient than traditional linear power supplies

• It uses high-frequency switching to convert AC to DC power

• It is commonly used in electronic devices such as computers, TVs, and mobile phones

• Examples of SMPS topologies include flyback, forward, and push-pull

• SMPS can be designed for different output voltages and currents

Preventive maintenance is the best method to ensure equipment longevity and avoid unexpected breakdowns.

• Regularly inspect and clean equipment

• Replace worn out parts before they fail

• Follow manufacturer's maintenance schedule

• Train personnel on proper use and maintenance

• Implement a computerized maintenance management system (CMMS)

• Monitor equipment performance and track maintenance history

The function of a residence is to provide shelter, security, and comfort for individuals or families.

• Provides shelter from the elements

• Offers security and privacy

• Creates a comfortable living environment

• Can serve as a place for socializing and relaxation