Yield of pitch from distillation of high temperature tar is around _____________ percent?
Yield of pitch from distillation of high temperature tar is around _____________ percent?
A. 10
B. 25
C. 65
D. 90
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Higher fuel combustion efficiency cannot be achieved by_________________?
Higher fuel combustion efficiency cannot be achieved by_________________?A. Preheating of fuel gases & combustion air
B. Reducing sulphur content in the fuel
C. Adopting proper fuel firing technique & fuel preparation
D. Supplying correct amount of combustion airAnthracite can be used for___________________?
Anthracite can be used for___________________?A. Recarbonising steel
B. Making carbon electrodes
C. Blending with highly coking coal to check its swelling which helps in saving coke even walls
from damage and to produce high strength coke
D. All A., B. and C.Gray King Assay and Swelling Index of a coal is a measure of its
Question: Gray King Assay and Swelling Index of a coal is a measure of its
[A].swelling characteristics. [B].
abradability. [C].
agglutinating properties. [D].
resistance to impact breakage. Answer: Option A
Explanation:
No answer description available for this question.
Gas yield in the Kopper-Totzek coal gasifier is about ______________ Nm3/ton coal (ash = 35%)?
Gas yield in the Kopper-Totzek coal gasifier is about ______________ Nm3/ton coal (ash = 35%)?A. 150
B. 1500
C. 3500
D. 5000Out of the following, which is the most important parameter for the blast furnace grade coke ?
Out of the following, which is the most important parameter for the blast furnace grade coke ?A. CSR & CRI
B. Ash content
C. Moisture content
D. Volatile matter contentIn general, the limit of inflammability/explosion limit of fuel gases is widened by the
Question: In general, the limit of inflammability/explosion limit of fuel gases is widened by the
[A].increase in gas pressure. [B].
increase in temperature (i.e. preheating). [C].
use of pure oxygen for combustion instead of air. [D].
all (a), (b) & (c). Answer: Option D
Explanation:
No answer description available for this question.