Fuels and Combustion Fussain Is non-coking, but when blended with highly coking coal, controls its swelling and produces high strength coke on carbonisation All of these Has highest fixed carbon and lowest volatile matter content of all the four banded components of coal Is friable, charcoal like substance Is non-coking, but when blended with highly coking coal, controls its swelling and produces high strength coke on carbonisation All of these Has highest fixed carbon and lowest volatile matter content of all the four banded components of coal Is friable, charcoal like substance ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels has the highest net calorific value (kcal/Nm³)? Carburetted water gas Producer gas Liquified petroleum gas Natural gas Carburetted water gas Producer gas Liquified petroleum gas Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in Shallow and small piles Large heaps with small surface to volume ratio Closed space without any ventilation facility Fine sizes without the presence of any lump Shallow and small piles Large heaps with small surface to volume ratio Closed space without any ventilation facility Fine sizes without the presence of any lump ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of furnace oil is about __________ Kcal/kg. 5000 20000 10000 15000 5000 20000 10000 15000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ignition temperature of a fuel in air is __________ that in pure oxygen. Less than Either more or less; depends on the type of fuel More than Equal to Less than Either more or less; depends on the type of fuel More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in calorific value of fuels, their adiabatic flame temperatures Decrease Remain unchanged May increase or decrease ; depends on the quantity of products of combustion Increase Decrease Remain unchanged May increase or decrease ; depends on the quantity of products of combustion Increase ANSWER DOWNLOAD EXAMIANS APP
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