Fuels and Combustion As time passes, the calorific value of stored coal Remains unaltered May increase or decrease (depends on the method of storage) Decreases Increases Remains unaltered May increase or decrease (depends on the method of storage) Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following oil gasification processes is non-catalytic? Semet-Solvay process Onia-Gegi process Segas process Steam reforming of naphtha Semet-Solvay process Onia-Gegi process Segas process Steam reforming of naphtha ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if It is stored in tall heaps Smaller fines are stored in large quantity It contains large amount of volatile matter All of these It is stored in tall heaps Smaller fines are stored in large quantity It contains large amount of volatile matter All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ process is meant for direct hydrogenation of coal to produce liquid fuel. Lurgi None of these Bergius Fischer-Tropsch Lurgi None of these Bergius Fischer-Tropsch ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Commercial production of petrol from coal (as practised in a factory at Sasol in South Africa) is done by the __________ of coal. Carbonisation None of these Gasification Hydrogenation Carbonisation None of these Gasification Hydrogenation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross and net calorific value of a fuel will be the same Under no circumstances Ifits carbon content is very low If its hydrogen/hydrogen compound content is zero If its ash content is zero Under no circumstances Ifits carbon content is very low If its hydrogen/hydrogen compound content is zero If its ash content is zero ANSWER DOWNLOAD EXAMIANS APP