Fuels and Combustion The calorific value of producer gas is around __________ kcal/Nm³ 4500 1300 9000 500 4500 1300 9000 500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in a commercial high temperature coal carbonisation plant is about __________ hours. 36 28 18 6 36 28 18 6 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As time passes, the calorific value of stored coal Remains unaltered May increase or decrease (depends on the method of storage) Increases Decreases Remains unaltered May increase or decrease (depends on the method of storage) Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Producer gas containing least amount of tar is produced by the Partial combustion of large size (< 50 mm) coke Atmospheric pressure gasification of coal (e.g., in Kopper-Totzek gasifier) Partial combustion of coal High pressure gasification of coal (e.g. in Lurgi gasifier) Partial combustion of large size (< 50 mm) coke Atmospheric pressure gasification of coal (e.g., in Kopper-Totzek gasifier) Partial combustion of coal High pressure gasification of coal (e.g. in Lurgi gasifier) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not endothermic? Gasification Reforming Partial oxidation Cracking Gasification Reforming Partial oxidation Cracking ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuels is the best for burning on chain grate stoker? Pulverised coal Caking coal Non-caking coal Coking coal Pulverised coal Caking coal Non-caking coal Coking coal ANSWER DOWNLOAD EXAMIANS APP