Fuels and Combustion Safe condition for storage of high V.M. bituminous coal is that Neither A nor B Maximum 200 tons should be stored in a heap Both A and B Height of the coal heap should be < 3 metres Neither A nor B Maximum 200 tons should be stored in a heap Both A and B Height of the coal heap should be < 3 metres ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following gaseous fuels has the lowest calorific value? Refinery gas Gobar gas Converter gas Blast furnace gas Refinery gas Gobar gas Converter gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher fuel combustion efficiency can not be achieved by Supplying correct amount of combustion air Reducing sulphur content in the fuel Adopting proper fuel firing technique & fuel preparation Preheating of fuel gases & combustion air Supplying correct amount of combustion air Reducing sulphur content in the fuel Adopting proper fuel firing technique & fuel preparation Preheating of fuel gases & combustion air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Commercial production of petrol from coal (as practised in a factory at Sasol in South Africa) is done by the __________ of coal. Hydrogenation Gasification None of these Carbonisation Hydrogenation Gasification None of these Carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Lurgi gasifier (high pressure gasifier) as compared to Kopper Totzek gasifier (atmospheric pressure gasifier) produces Higher amount of both methane and hydrogen Lower amount of hydrogen Higher amount of methane Both A & B Higher amount of both methane and hydrogen Lower amount of hydrogen Higher amount of methane Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of producer gas is around __________ kcal/Nm³ 4500 500 9000 1300 4500 500 9000 1300 ANSWER DOWNLOAD EXAMIANS APP
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