Furnace oil, light diesel oil and tar/PCM
Pulverised coking coal
Coal middling from washeries
B.F. gas, coke oven gas and L.converter gas
✅ The correct answer is option B.
Chemical Engineering MCQs
Calorific value of pitch creosote mixture (PCM) i.e., C.T.F.-200 is about
8800 kcal/m³
8800 kcal/kg
Same as that of coal middling
25000 kcal/kg
✅ The correct answer is option B.
White flue gas (resembling steam) coming out of the chimney of a thermal power plant indicates that the fuel used in the boiler furnace is
Tar
Coke oven gas
Pitch
Pulverised coke
✅ The correct answer is option B.
Number of macrocomponents present in coal according to Stopes are
Four
Five
Six
Two
✅ The correct answer is option A.
Caking index of the coal blend used for the manufacture of metallurgical coke should be around
5
21
40
48
✅ The correct answer is option B.
(64-132) rank coal (ASTM) means a coal with 64%
Fixed carbon and having a heating value around 13, 200 BTU/1b
Ash and heating value around 13, 200 BTU/1b
Fixed carbon and heating value around 132 BTU/1b
None of these
✅ The correct answer is option A.
Low temperature oxidation of coal resulting from bad storage conditions does not decrease its
Caking power
Calorific value
Hydrogen content
Oxygen content
✅ The correct answer is option D.
Coalification means the
Process of conversion of lignite into anthracite
Underground gasification of coal
Complete combustion of coal
Direct hydrogenation of coal
✅ The correct answer is option A.
Which of the following will generate maximum volume of product of complete combustion (Nm³/Nm³ of fuel) ?
Carburetted water gas
Blast furnace gas
Natural gas
Producers
✅ The correct answer is option C.
__________ is used as jet engine fuel.
Petrol
Diesel
Kerosene
LPG
✅ The correct answer is option C.