Prestige Group Senior Technician Interview Questions and Answers

There are various types of CCTV cameras such as dome, bullet, PTZ, thermal, and covert cameras.

• Dome cameras are commonly used for indoor surveillance and have a wide-angle view.

• Bullet cameras are weatherproof and have a longer range than dome cameras.

• PTZ cameras can pan, tilt, and zoom to cover a larger area.

• Thermal cameras use heat signatures to detect movement and are often used in low-light environments.

• Covert camer...read more

CCTV stands for Closed Circuit Television. It is a system of video cameras used for surveillance and security purposes.

• CCTV cameras are commonly used in public places like banks, airports, and shopping malls.

• They can also be used in homes and businesses for security purposes.

• CCTV footage can be used as evidence in criminal investigations.

• The use of CCTV has raised concerns about privacy and civil liberties.

• Advancements...read more

There are several types of bricks used in construction, including clay bricks, concrete bricks, and fire bricks.

• Clay bricks are the most common type of brick used in construction.

• Concrete bricks are made from cement, sand, and water and are used for their strength and durability.

• Fire bricks are designed to withstand high temperatures and are used in fireplaces, ovens, and kilns.

• Other types of bricks include sand-lime b...read more

A 2-way switch is a type of electrical switch that allows control of a single light or electrical device from two different locations.

• A 2-way switch is commonly used in staircases, hallways, and rooms with multiple entrances.

• It has three terminals: a common terminal and two traveler terminals.

• The common terminal is connected to the power source, while the traveler terminals are connected to the light or device.

• When one...read more

A 2 way switch is a type of electrical switch that allows control of a single light or set of lights from two different locations.

• Also known as a two-way switch or a single-pole double-throw (SPDT) switch

• Commonly used in staircases, hallways, and large rooms with multiple entry points

• Requires three wires: a live wire, a switched live wire, and a neutral wire

• Can be wired in a circuit with multiple 2 way switches to cont...read more