Fuels and Combustion Ash content in the middling coal (a byproduct of coal washeries) in India ranges between __________ percent. 35 to 45 55 to 75 75 15 to 25 35 to 45 55 to 75 75 15 to 25 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Heat penetration rate in narrow coke ovens in high temperature carbonisation of coal is around __________ cm/hr. 10 0.5 20 2.5 10 0.5 20 2.5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in beehive coke oven is about One week 2-3 days Two weeks 12 hours One week 2-3 days Two weeks 12 hours ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest heat of combustion? H₂ CO CH₄ C₂H₆ H₂ CO CH₄ C₂H₆ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ process is meant for direct hydrogenation of coal to produce liquid fuel. Lurgi None of these Fischer-Tropsch Bergius Lurgi None of these Fischer-Tropsch Bergius ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature in air as compared to that in pure oxygen is Same Either lower or higher, depends on the type of fuel Much higher Much lower Same Either lower or higher, depends on the type of fuel Much higher Much lower ANSWER DOWNLOAD EXAMIANS APP