Related Questions

Degree of carbonisation of coal during coke making can be roughly judged by the __________ of the coke produced.
If the coke formed from the residue of the caking coal is hard, porous and strong then it is called coking coal.
WC is produced by carburization of metallic W powders prepared by the reduction of _______
During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass.
Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has
Weight of the coal is 2g and after heating the coal sample, the weight of the coal is 1.82g. What is the % of the moisture in coal?
Consider the following statements relating to Coal India Limited:1. It is designated as a 'Maha Ratna'company under the Ministry of Coal.2. It is the single largest coal producing company in the world.3. The Headquarters of Coal India Limited is located at Ranchi Jharkhand.
Which of the statements given above is/are correct?
An O.C. mine requires 16 blocks of overburden of 3000 te each to mine 4 blocks of coal of 2000 te each. The mining cost of both overburden and coal is Rs. 50 per tonne. The cost of transportation of overburden to dump areas is Rs. 50 per tonne. Coal transportation cost to the selling point is Rs. 75 per tonne. The price of coal is Rs. 800 per tonne, If the royalty and tax to the state is Rs. 50 per tonne, the nominal profit in rupees is
Consider the following problems being faced by the Indian Coal Industry :
I. Poor quality of coal and bottlenecks in the coal movement
II. Low utilisation capacity of washeries
III. Growing dependence on the import of coking coal
IV. Administered prices
Yield of coke oven gas in low temperature carbonisation of coal is about __________ Nm3/ton of dry coal.