HomeEngineeringWhich of the following petrological constitutes is responsible for bright and lustrous black band of bituminous coal? 3262. Which of the following petrological constitutes is responsible for bright and lustrous black band of bituminous coal?By Admin / September 7, 2025 Vitrain Clarain Durain Fussain ✅ The correct answer is option A.
1. A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm². Leave a Comment / Basic Chemical Engineering MCQs, Chemical Engineering, Engineering / By Admin
2. Transformer cores are normally made from Leave a Comment / Basic Chemical Engineering MCQs, Chemical Engineering, Engineering / By Admin