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Fuels and Combustion Quiz 2

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Fuels and Combustion Quiz 2

1 / 50

Bomb calorimeter is used to determine the (where, GCV ? Gross Calorific Value. NCV ? Net Calorific Value.) ?

2 / 50

Catalyst used in Fischer-Tropsch process is________?

3 / 50

Calorific value as determined by bomb calorimeter is the___________?

4 / 50

Calorific value of blast furnace gas is around ______ KCal/Nm3?

5 / 50

Calorific value of dry wood may be around _______ Kcal/kg?

6 / 50

Calorific value of gobar gas (containing CH4 = 60% , H2 = 10% ; CO2 = 30%) may be about _______ Kcal/Nm3?

7 / 50

Bright coal___________?

8 / 50

Bomb calorimeter is used for the determination of calorific value of the ______ fuels?

9 / 50

Calorific values of both the solid as well as the liquid fuels can be determined by _______ calorimeter?

10 / 50

By-products recovery process from coal carbonisation is termed as direct, indirect and semi direct process depending upon the method of recovery of________?

11 / 50

Blast furnace coke is made from coal by_______?

12 / 50

Coal is heated in presence of air to a temperature of about ________ ?C, while determining its ash content for proximate analysis?

13 / 50

Assam (India) coals suffers mainly from the disadvantage of high _______ content?

14 / 50

Cannel coal and boghead coal are the examples of __________?

15 / 50

C/H ratio is the maximum in case of__________?

16 / 50

Caking index of the coal blend used for the manufacture of metallurgical coke should be around___________?

17 / 50

Calorific value of ______?

18 / 50

Calorific value of coke even gas produced by low temperature carbonisation of coal is about _____ Kcal/Nm3?

19 / 50

Atomising steam to fuel oil ratio in a burner should be around___________?

20 / 50

Bituminous coal_____?

21 / 50

Bomb calorimeter can be used to determine the ______ of the coal?

22 / 50

Calorific value of bituminous coal may be around _______ Kcal/kg?

23 / 50

Bunsen burner is an example of a/an ______ burner?

24 / 50

Blast furnace gas compared to coke oven gas has__________?

25 / 50

Calorific value of tar is about ______ Kcal/kg?

26 / 50

Calorific value of coke oven gas is around _______ Kcal/Nm3?

27 / 50

Caking index of a coal is a measure of its _________?

28 / 50

Caking index of coal blend used for blast furnace coke making is about__________?

29 / 50

Ash content in the coke produced from a coking coal having 20% ash may be around ______ percent?

30 / 50

Carbon Content by weight in air dried wood may be about ________ percent?

31 / 50

Blast furnace gas burns with a bluish flame, because of the presence of______?

32 / 50

As the C/H ratio of the fuel increases, the amount of CO2 formed on combustion ________ for the same percentage of excess air?

33 / 50

Cannel coal___________?

34 / 50

Coal containing large quantity of ________ are difficult to wash?

35 / 50

Calorific value of wood gas is about _______ kcal/Nm3?

36 / 50

Calorific value of both the solid & liquid fuels can be determined by using _______ calorimeter?

37 / 50

Blast furnace gas is a very poisonous gas because of its predominantly high ________ content?

38 / 50

As the equilibrium moisture content of the coal increases, its_____?

39 / 50

Coal is heated in absence of air for 7 minutes at a temperature of about _______ ?C, during its volatile matter determination for proximate analysis?

40 / 50

Calorific value of furnace oil is about ________ Kcal/kg?

41 / 50

Beehive coke oven_________?

42 / 50

Benzol is used_______?

43 / 50

Blast furnace gas constitutes mainly of__________?

44 / 50

Calorific value of a typical dry anthracite coal may be around ______ Kcal/kg?

45 / 50

Calorific value of coal middling generated in coal washeries during washing of coal may be around ______ Kcal/kg?

46 / 50

C/H ratio is the minimum in case of__________?

47 / 50

Caking coal is desirable for__________?

48 / 50

By-products are ______ recovered in ?Beehive ovens? ?

49 / 50

Bulk density of pulverised coal may be about _______ kg/m3?

50 / 50

Benzene is used___________?

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