Isgec Heavy Engineering Assistant Construction Manager Interview Questions, Process, and Tips

There are two main types of boilers: fire tube boilers and water tube boilers.

• Fire tube boilers have hot gases passing through the tubes which are surrounded by water. Examples include Scotch marine boilers.

• Water tube boilers have water flowing inside the tubes while hot gases surround them. Examples include Babcock and Wilcox boilers.

Welding of T93 joints requires specialized techniques and equipment to ensure a strong and durable bond.

• T93 is a high-strength steel alloy commonly used in construction for its excellent mechanical properties.

• Welding T93 joints requires preheating to reduce the risk of cracking and post-weld heat treatment for optimal strength.

• Specialized welding techniques such as TIG welding or submerged arc welding are often used fo...read more

The sequence of erection of a boiler involves several steps to ensure proper installation and functionality.

• 1. Foundation preparation and installation of base plates

• 2. Erection of boiler structure and setting of walls

• 3. Installation of boiler tubes and headers

• 4. Mounting of boiler accessories such as safety valves and gauges

• 5. Connection of piping and wiring for steam and water supply

• 6. Testing and commissioning of the

The sequence of erection of ESP involves several steps to ensure proper installation and functioning.

• 1. Site preparation including foundation construction and leveling of the ground.

• 2. Installation of support structures such as columns and beams.

• 3. Assembly of the ESP components including the casing, electrodes, and collecting plates.

• 4. Connection of electrical wiring and control systems.

• 5. Testing and commissioning to...read more