Colliers India Admin Interview Questions and Answers

Transformers are electrical devices that transfer energy from one circuit to another through electromagnetic induction.

• Types of transformers include power transformers, distribution transformers, autotransformers, isolation transformers, and instrument transformers.

• Parts of a transformer include the core, windings, insulation, and cooling system.

• The core is made of laminated steel and provides a path for the magnetic f...read more

A synchronization panel for DG is used to connect and synchronize multiple generators to ensure smooth power transfer.

• Synchronization panel is used to connect and synchronize multiple diesel generators (DG) in parallel.

• It ensures smooth power transfer and load sharing between the generators.

• The panel monitors and controls parameters like voltage, frequency, and phase angle of the generators.

• It includes devices like syn...read more

UPS system provides backup power to critical equipment during power outages.

• UPS stands for Uninterruptible Power Supply.

• It consists of a battery, charger, and inverter.

• During normal power supply, the battery is charged by the charger.

• During a power outage, the battery powers the inverter which converts DC power to AC power.

• The AC power is then supplied to the critical equipment.

• UPS systems can be classified into three ...read more