Fuels and Combustion Tolerable concentration of toxic carbon monoxide in atmospheric air is about __________ PPm. 50 10000 5000 1000 50 10000 5000 1000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As time passes, the calorific value of stored coal Increases May increase or decrease (depends on the method of storage) Decreases Remains unaltered Increases May increase or decrease (depends on the method of storage) Decreases Remains unaltered ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature carbonisation Is meant for the production of 'metallurgical coke' Produces less quantity of tar than high temperature carbonisation Produces higher quantity of gas than high temperature carbonisation Is mainly for producing the smokeless domestic coke Is meant for the production of 'metallurgical coke' Produces less quantity of tar than high temperature carbonisation Produces higher quantity of gas than high temperature carbonisation Is mainly for producing the smokeless domestic coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The function of secondary combustion air is to None of these Pneumatically convey the pulverised coal Burn the lumpy coal Completely burn the volatile matter None of these Pneumatically convey the pulverised coal Burn the lumpy coal Completely burn the volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is the maximum coal producing state in India? Jharkhand Orissa Assam West Bengal Jharkhand Orissa Assam West Bengal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Height of coke oven is limited (say maximum upto 7 metres) mainly by the Problem of uniform heating along its height Problem in door cleaning Buckling of ram of pusher car at the time of coke pushing Structural strength of silica bricks Problem of uniform heating along its height Problem in door cleaning Buckling of ram of pusher car at the time of coke pushing Structural strength of silica bricks ANSWER DOWNLOAD EXAMIANS APP
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