Fuels and Combustion Naphthalene is used for making Unsaturated polyesters All of these Insecticides (e.g. moth balls) Drug intermediates e.g. β-naphthol Unsaturated polyesters All of these Insecticides (e.g. moth balls) Drug intermediates e.g. β-naphthol ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels has the highest net calorific value (kcal/Nm³)? Natural gas Carburetted water gas Liquified petroleum gas Producer gas Natural gas Carburetted water gas Liquified petroleum gas Producer gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Degree of carbonisation of coal during coke making can be roughly judged by the __________ of the coke produced. Volatile matter Ash content Moisture content Colour Volatile matter Ash content Moisture content Colour ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mineral matter, 'M' and ash percentage 'A' in coal are roughly related as M = 1.1 A M = A M = 0.5 A M = 1.8 A M = 1.1 A M = A M = 0.5 A M = 1.8 A ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of gaseous fuels, deficiency of air Increases the flame temperature Does not affect the flame length Tends to shorten the flame Lengthens the flame Increases the flame temperature Does not affect the flame length Tends to shorten the flame Lengthens the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion If the specific heat of gaseous products of combustion of a fuel is high, the abiabatic flame temperature will be None of these High Low Very high, if the fuel is of low calorific value None of these High Low Very high, if the fuel is of low calorific value ANSWER DOWNLOAD EXAMIANS APP
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