Fuels and Combustion Which of the following gaseous fuels is likely to have the highest gross calorific value? Natural gas Producer gas LPG Sewage gas Natural gas Producer gas LPG Sewage gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main reason for making the copper calorimeter (used in bomb calorimeter) silvery white and shining/polished is to Avoid radiation heat loss Minimise its corrosion Make it look attractive None of these Avoid radiation heat loss Minimise its corrosion Make it look attractive None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of natural gas is about __________ kcal/Nm³. 35, 000 10, 000 2500 25, 000 35, 000 10, 000 2500 25, 000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal gasifier opearating at 20 atm. (e.g. Lugri gasifier) as compared to one operating at atmospheric pressure (e.g. Kopper-Totzek or Winkler gasifier) will produce a gas having None of these Higher methane content and thus higher calorific value Lower carbon dioxide content Higher carbon monoxide content None of these Higher methane content and thus higher calorific value Lower carbon dioxide content Higher carbon monoxide content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ignition temperature of a fuel in air is __________ that in pure oxygen. More than Less than Equal to Either more or less; depends on the type of fuel More than Less than Equal to Either more or less; depends on the type of fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Overfire burning in a furnace is a phenomenon characterised by the None of these Supply of excess fuel Supply of excess air Burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air None of these Supply of excess fuel Supply of excess air Burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air ANSWER DOWNLOAD EXAMIANS APP
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