Thejo Engineering Senior Technician Interview Questions and Answers for Experienced

Piping operations and maintenance in power plants

• Piping systems are crucial for power plant operations and require regular maintenance

• Maintenance includes inspection, cleaning, and repair of pipes and fittings

• Operations involve monitoring pressure, flow, and temperature of fluids in the pipes

• Proper installation and alignment of pipes is essential for efficient and safe operation

• Regular testing and inspection of pipes f

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

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

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

DOL starter is a direct online starter used to start and stop the motor instantly.

• DOL stands for Direct Online.

• It is used to start and stop the motor instantly.

• It is the simplest and cheapest method of starting a motor.

• It consists of a contactor, overload relay, and start and stop push buttons.

• It is used for small motors up to 5 horsepower.

• It is not suitable for large motors as it causes a high starting current.

• Example...read more