1.working of coal mill, 2. What are the problems comes in running, and the solutions for that 3. Boiler tube material and it's welding process, parameter for alloy tube, 4. Types of coupling used in fan and coal mill, why we use such type of coupling, manufacturers name of APH, FAN, COAL MILL, & ESP. 5 Some personal and professional quary- why you want to join us, what's you done most important job in your career.

Question

Accepted Answer

Answering questions related to coal mill operation, boiler tube material, coupling types, and personal/professional queries for Assistant Manager position.

Coal mill operation involves grinding coal into fine powder for combustion in the boiler
Common problems in running coal mills include wear and tear of grinding elements, coal spillage, and high vibration levels
Solutions include regular maintenance, monitoring of operating parameters, and using high-quality grinding elements
Boiler tube material is typically carbon steel, alloy steel, or stainless steel depending on operating conditions
Welding processes for boiler tubes include TIG welding, SMAW, and SAW with parameters based on material thickness and composition
Types of couplings used in fans and coal mills include gear couplings, grid couplings, and fluid couplings for torque transmission
Manufacturers of APH (Air Preheater) include Alstom, BHEL, and Thermax
Manufacturers of FAN (Forced Draft Fan) include Siemens, ABB, and Howden
Manufacturers of COAL MILL include GE, Babcock & Wilcox, and Mitsubishi Hitachi Power Systems
Manufacturers of ESP (Electrostatic Precipitator) include Hamon, Thermax, and FL Smidth

Popular interview questions of Assistant Manager

Top HR questions asked in Essar Power Assistant Manager