Fuels and Combustion Coal containing large quantity of __________ are difficult to wash. Free impurities Ash Volatile matter Inherent mineral matter Free impurities Ash Volatile matter Inherent mineral matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Fat' coal means a coal having Non smoking tendency High volatile matter Low ash content Low calorific value Non smoking tendency High volatile matter Low ash content Low calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main reason for making the copper calorimeter (used in bomb calorimeter) silvery white and shining/polished is to Minimise its corrosion None of these Make it look attractive Avoid radiation heat loss Minimise its corrosion None of these Make it look attractive Avoid radiation heat loss ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a binder for coal briquetting? Coal tar Bitumen Molasses None of these Coal tar Bitumen Molasses None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Lignite is A high rank coal A black banded coal which burns with a non-smoky yellowish flame A coking coal Can be used for gasification and steam generation A high rank coal A black banded coal which burns with a non-smoky yellowish flame A coking coal Can be used for gasification and steam generation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A certain thickness of the coal, if stored unscientifically on soft (katcha) ground having no metallic/concrete flooring gets sunked into the ground, which is termed as the 'carpet loss'. The carpet loss may be of the order of __________ cms. 20 to 40 3 to 4 1 to 2 5 to 15 20 to 40 3 to 4 1 to 2 5 to 15 ANSWER DOWNLOAD EXAMIANS APP
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