Operation Support Engineer Interview Questions and Answers

SMPS stands for Switched Mode Power Supply. It is used to efficiently convert and regulate electrical power in electronic devices.

• Converts AC to DC power efficiently

• Regulates voltage and current output

• Smaller and lighter than traditional linear power supplies

• Used in computers, TVs, and other electronic devices

A ton in air conditioning refers to the cooling capacity of an air conditioning system.

• A ton in air conditioning is a unit of measurement for cooling capacity, representing the amount of heat needed to melt one ton of ice in a 24-hour period.

• One ton of cooling is equal to 12,000 British Thermal Units (BTUs) per hour.

• For example, a 2-ton air conditioner can remove 24,000 BTUs of heat per hour from a space.

Earthing is the process of connecting electrical systems to the ground to prevent electric shock and protect equipment.

• Prevents electric shock by providing a path for current to flow into the ground

• Protects equipment from damage caused by lightning strikes or power surges

• Ensures safety of personnel working on electrical systems

• Improves the efficiency of electrical systems by reducing interference and noise