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Chemical Engineering — Test 114

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Question 1
A coal containing very high percentage of durain is called ______________ coal?
Question 2
By-products are _____________ recovered in ‘Beehive ovens’ ?
Question 3
Anthracite coal ____________________?
Question 4
Method of maintaining fires in furnace during standby periods without undue consumption of fuel is called_________________?
Question 5
Stack heat losses can be minimised by________________?
Question 6
Calorific value of bituminous coal may be around ______________ Kcal/kg?
Question 7
Calorific values of both the solid as well as the liquid fuels can be determined by ______________ calorimeter?
Question 8
Fuel gases containing hydrocarbons (e.g. coke oven gas) are not preheated before burning, mainly because __________________?
Question 9
Calorific value of pitch creosote mixture (PCM) i.e., C.T.F.-200 is about________________?
Question 10
Blast furnace gas burns with a bluish flame, because of the presence of____________________?