The cooling medium used in dry quenching of coke is (A) Nitrogen (B) Air (C) Phenolic water (D) Carbon dioxide

The cooling medium used in dry quenching of coke is
(A) Nitrogen
(B) Air
(C) Phenolic water
(D) Carbon dioxide
by

1 Answer

Answer :

(A) Nitrogen
by

Related questions

Phenolic water generated in coke ovens & by-product plant of a steel plant are disposed off by (A) Quenching of hot coke (B) Discharging in the river stream (C) Filtration and recycling for cooling coke oven gas (D) None of these

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Last Answer : (A) Quenching of hot coke

Fuel consumption in coke making can be reduced by (A) Preheating, blending and de-ashing the coal (B) Stamped charging of coal (C) Dry quenching of coke (D) All (A), (B) and (C)

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Last Answer : (D) All (A), (B) and (C)

Phenolic water generated in coke ovens & by-product plant attached to an integrated steel plant containing phenol in concentration of less than 100 mg/litre can be removed by (A) Chlorination (B) Treating in biological oxygen pond (C) Chemical coagulation (D) None of these

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Last Answer : (B) Treating in biological oxygen pond

Three solid objects of the same material and of equal mass-a sphere, a cylinder (length = diameter) and a cube are at 500°C initially. These are dropped in a quenching bath containing a large volume of cooling oil each attaining the bath temperature eventually. The time required for 90% change in temperature is the smallest for (A) Cube (B) Cylinder (C) Sphere (D) Equal for all the three

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Last Answer : Ans:(c)

What are the demerits of using oil as an arc quenching medium?

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What are the hazards imposed by oil when it is used as an arc quenching medium?

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Which of the following psychrometric processes is followed by water vapour laden unsaturated air, when it is passed through solid or liquid adsorbent? (A) Cooling and dehumidification (B) Heating and dehumidification at almost constant wet bulb temperature (C) Dehumidification with dry bulb temperature remaining constant (D) None of these

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