Fuels and Combustion Grindability index of a coal is 100. It implies that the Coal can't be pulverised Coal can be easily pulverised Coal can be pulverised with great difficulty Power consumption in grinding the coal will be very high Coal can't be pulverised Coal can be easily pulverised Coal can be pulverised with great difficulty Power consumption in grinding the coal will be very high ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Furnace oil consumption in a furnace for a given duty employing preheated combination air (at 300° ) may be reduced by about __________ percent as compared to the use of atmospheric combustion air. 20 35 10 5 20 35 10 5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High sulphur content in a fuel __________ of the flue gases. Reduces the combustion efficiency by limiting the permissible temperature reduction Decreases the dew point Both B & C Increases the dew point Reduces the combustion efficiency by limiting the permissible temperature reduction Decreases the dew point Both B & C Increases the dew point ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good coking coal should have high __________ content. Sulphur & phosphorus None of these Ash Moisture Sulphur & phosphorus None of these Ash Moisture ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Abrasion index of blast furnace coke should be around __________ percent. 35 80 20 55 35 80 20 55 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a product of tar distillation? Anthracene & creosote Benzol & pitch None of these Phenol & naphthalene Anthracene & creosote Benzol & pitch None of these Phenol & naphthalene ANSWER DOWNLOAD EXAMIANS APP
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