Fuels and Combustion (64-132) rank coal (ASTM) means a coal with 64% Fixed carbon and a heating value of 132 BTU/1b Fixed carbon and having a heat value of 13, 200 BTU/1b None of these Ash and a heating value of 13, 200 BTU/1b Fixed carbon and a heating value of 132 BTU/1b Fixed carbon and having a heat value of 13, 200 BTU/1b None of these Ash and a heating value of 13, 200 BTU/1b ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Highly reactive coke have lower Coke reactivity index (CRI) Critical air blast (CAB) value Porosity Both B and C Coke reactivity index (CRI) Critical air blast (CAB) value Porosity Both B and C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Natural draught produced by a chimney depends upon the Density of the chimney gases Neither A nor B Height of the chimney Both A & B Density of the chimney gases Neither A nor B Height of the chimney Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Size of blast furnace grade coke is __________ mm. 0-15 >100 25-80 15-25 0-15 >100 25-80 15-25 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher percentage of ash in coal meant for the production of metallurgical grade coke Decreases the abrasion resistance of coke None of these Decreases the hardness of coke Causes brittleness in steel Decreases the abrasion resistance of coke None of these Decreases the hardness of coke Causes brittleness in steel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Safe condition for storage of high V.M. bituminous coal is that Neither A nor B Height of the coal heap should be < 3 metres Maximum 200 tons should be stored in a heap Both A and B Neither A nor B Height of the coal heap should be < 3 metres Maximum 200 tons should be stored in a heap Both A and B ANSWER DOWNLOAD EXAMIANS APP
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