A. Nickel
B. Vanadium
C. Silica gel
D. Alumina
Related Mcqs:
- L.D. converter gas (produced in steel plant) comprises mainly of ___________________?
A. CO (upto 65%) & CO2
B. CO2 & H2
C. CO & O2
D. CO2 & O2 - The calorific value of L.D. converter gas is about ____________ Kcal/Nm3?
A. 1800
B. 800
C. 4500
D. 10000 - Catalyst used in Fischer-Tropsch process is_______________?
A. Nickel
B. Zinc oxide
C. Alumina
D. Thorium oxide - The shift conversion reaction taking place during water gas manufacture is given by__________________?
A. C + H2O ↔ CO + H2
B. C + 2H2O ↔ CO2 + 2H2
C. CO + H2O ↔ CO2 + H2
D. None of these - A coal gasifier operating at 20 atm. (e.g. Lurgi gasifier) as compared to one operating at atmospheric pressure (e.g. Kopper-Totzek or Winkler gasifier) will produce a gas having _____________________?
A. Higher methane content and thus higher calorific value
B. Higher carbon monoxide content
C. Lower carbon dioxide content
D. None of these - Percentage of methane in coke oven gas may be around _____________________?
A. 5
B. 15
C. 25
D. 50 - Natural draft created by the chimney depends upon _____________________?
A. Temperature of the flue gas
B. Its height
C. Both A. & B.
D. Neither A. nor B. - 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 A., B. & C. - Fussain _____________________?
A. Is friable, charcoal like substance
B. Has highest fixed carbon and lowest volatile matter content of all the four banded components
of coal
C. Is non-coking, but when blended with highly coking coal, controls its swelling and produces
high strength coke on carbonisation
D. All A., B. and C. - Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of _____________________?
A. MgO & Na2CO3
B. MgSO4 & BaCl2
C. BaSO4 & NaCl
D. MgCO3 & NaCl
