Fuels and Combustion Which of the following gaseous fuels is likely to have the highest gross calorific value? Sewage gas Natural gas LPG Producer gas Sewage gas Natural gas LPG Producer gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel combustion is never cent per cent efficient due to Moisture loss Incomplete combustion All of these Dry gas/stack gas loss Moisture loss Incomplete combustion All of these Dry gas/stack gas loss ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stack heat losses can be minimised by Controlling the excess air Using low c.v. fuels Maintaining proper draft in the furnace Oxygen enrichment of combustion air Controlling the excess air Using low c.v. fuels Maintaining proper draft in the furnace Oxygen enrichment of combustion air 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 The maximum adiabatic flame temperature in air is __________ the maximum flame temperature in pure oxygen. Not related to Higher than Same as Lower than Not related to Higher than Same as Lower than ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher fuel combustion efficiency can not be achieved by Preheating of fuel gases & combustion air Supplying correct amount of combustion air Adopting proper fuel firing technique & fuel preparation Reducing sulphur content in the fuel Preheating of fuel gases & combustion air Supplying correct amount of combustion air Adopting proper fuel firing technique & fuel preparation Reducing sulphur content in the fuel ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS