Fuels and Combustion Low temperature oxidation of coal during storage does not decrease its Calorific value Oxygen content Caking power None of these Calorific value Oxygen content Caking power None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For long flame and easy ignition, the coal used should have Low ash High ash High volatile matter High calorific value Low ash High ash High volatile matter High calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion L.D. converter gas (produced in steel plant) comprises mainly of CO₂ & O₂ CO₂ & H₂ CO (upto 65%) & CO₂ CO & O₂ CO₂ & O₂ CO₂ & H₂ CO (upto 65%) & CO₂ CO & O₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature carbonisation Produces higher quantity of gas than high temperature carbonisation Is meant for the production of 'metallurgical coke' Produces less quantity of tar than high temperature carbonisation Is mainly for producing the smokeless domestic coke Produces higher quantity of gas than high temperature carbonisation Is meant for the production of 'metallurgical coke' Produces less quantity of tar than high temperature carbonisation Is mainly for producing the smokeless domestic coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stack heat losses can be minimised by Oxygen enrichment of combustion air Maintaining proper draft in the furnace Using low c.v. fuels Controlling the excess air Oxygen enrichment of combustion air Maintaining proper draft in the furnace Using low c.v. fuels Controlling the excess air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Safe condition for storage of high V.M. bituminous coal is that Maximum 200 tons should be stored in a heap Neither A nor B Height of the coal heap should be < 3 metres Both A and B Maximum 200 tons should be stored in a heap Neither A nor B Height of the coal heap should be < 3 metres Both A and B ANSWER DOWNLOAD EXAMIANS APP
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