Which of the following petrographic constituents of coal is non-coking?
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Metallurgical Engineering · all questionsFuels, Furnace and Refractories Technology
Fuels, Furnace and Refractories Technology
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Match the following:
| Group 1 | Group 2 |
| P. Blast furnace | 1. Lime |
| Q. Rotary kiln | 2. Pig iron |
| R. Continuous casting | 3. Heat exchanger |
| S. stoves | 4. Billets |
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The muffle furnace is
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Pensky-Marten apparatus is used for those oils, whose flash points are . . . . . . . . °F.
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What is chemical formula of mullite
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Which coal forms first during coalification process
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L.D. Converters are generally lined with
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Main constituents of benzol are
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Which is the correct option for highest and lowest grade of coal among given combination
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The mini blast furnace is used for
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Hot gases from a furnace are entering at the base of a 30m high tubular vertical chimney at 600°C. The density of air and furnace gases at respective temperatures are 1.165 and 0.405 kgm-3 respectively. The static draft produced by the chimney is . . . . . . . . Pa.
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Refractories are materials which
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The fusion temperature of Chromite brick is
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Which of the following is /are neutral refractories
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Pick up correct statement about Bessemer converter
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Fixed carbon in coal is defined as
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Arrange the following refractory materials in ascending order of their melting points.
P. Alumina
Q. Silica
R. Carbon
S. Zirconia
P. Alumina
Q. Silica
R. Carbon
S. Zirconia
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Which type of fuel is used to heat the Blast furnace stove
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Oxygen percentage (by weight) in atmospheric air is
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Those refractories which are neither attacked acid slag nor by basic slags are called
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