Related Questions

Desirable "Micum Index" values of metal-lurical coke are
A [

A. M40 > 78% and M10

B. M40 > 4% and M10

B M40 > 10% and M10
C M40 > 98% and M10
Shatter index of the coke is a measure of its
A Strength
B Bulk density
C Reactivity
D None of these
In a group of 60 people, 27 like coke and 42 like borhani and each person likes at least one of the two drinks How many people like both coke and borhani?
A 9
B 129
C 69
D 15
Degree of carbonisation of coal during coke making can be roughly judged by the __________ of the coke produced.
A Colour
B Moisture content
C Ash content
D Volatile matter
Coke made in narrower by-product coke ovens (as compared to wider ovens) is
A Less reactive
B Stronger
C Smaller in size
D All of the above
During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass.
A Density
B Porosity
C Electrical resistivity
D None of these
Width of the coke oven towards coke side is slightly more than that on pusher side to
A Facilitate easy discharging of coke as it swells during carbonisation
B Facilitate uniform heating of the oven
C Increase the output of the coke
D None of these
Narrow coke ovens as compared to wider coke ovens
A Produce smaller coke
B Produce stronger coke
C Require less time of carbonisation
D All of the above
Critical Air Blast (CAB) value of coke is a direct measure of its
A Reactivity
B Hardness
C Strength
D None of these
Abrasion index of blast furnace coke should be around __________ percent.
A 20
B 35
C 80
D 55

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