Sraco AC and Refrigeration 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

Structural analysis involves methods to determine the behavior of structures under different loads and conditions.

• Structural analysis is used to determine the strength, stiffness, and stability of structures.

• Methods include finite element analysis, matrix methods, and computer simulations.

• Terms include stress, strain, deformation, and buckling.

• Structural analysis is important in designing safe and efficient structures.

• ...read more

The laws of thermodynamics describe the behavior of energy in a system. Entropy always increases in a closed system.

• The first law states that energy cannot be created or destroyed, only transferred or converted.

• The second law states that the total entropy of a closed system always increases over time.

• The third law states that as temperature approaches absolute zero, the entropy of a system approaches a minimum.

• Entropy ...read more

A group of individuals working together towards a common goal or objective.

• Teamwork and collaboration are essential for success.

• Roles and responsibilities are clearly defined within a team.

• Effective communication is crucial for a team's success.

• Trust and respect are important for building a strong team dynamic.

• Examples of teams include sports teams, project teams, and departmental teams.