A. 230 V AC
B. 60 KV AC
C. 230 V DC
D. 60 KV DC
Related Mcqs:
- Coke oven gas after passing through return electrostatic tar precipitator (RETP) is used for the_______________?
A. Hot scarfing of steel slabs
B. Mixing with blast furnace gas
C. Coke oven battery heating
D. Steel ladle drying - Of the total tar present in raw coke oven gas, the tar recovered in primary cooler is about _______________ percent?
A. 5
B. 25
C. 55
D. 75 - Traces of tar fog present in the coke oven gas is removed by_________________?
A. Cyclone separator
B. Wet packed scrubber
C. Electrostatic precipitator
D. Washing with monoethanolamine - Tar is a better fuel than furnace oil, because of its___________________?
A. Higher calorific value
B. Lower sulphur content
C. Higher emissivity (0.8-0.9) resulting in higher radiation heat transfer rate
D. Both A. and B. - Yield of pitch from distillation of high temperature tar is around _____________ percent?
A. 10
B. 25
C. 65
D. 90 - Calorific value of tar is about _____________ Kcal/kg?
A. 8800
B. 12000
C. 14000
D. 16000 - Light oil whose major component is Benzol, is obtained by the distillation of crude tar in the temperature range of _____________ °C?
A. 80-170
B. 200-300
C. 250-270
D. 280-300 - Coal tar (produced by high temperature carbonisation) is the main source of_________________?
A. Aromatic compounds
B. Aliphatic compounds
C. Paraffins
D. Olefins - Coal tar fuel – 200 (CTF 200) is a mixture of __________________?
A. Pitch and creosote oil
B. Light oil and pitch
C. Anthracene and crecosote oil
D. Solar oil and pitch - Producer gas containing least amount of tar is produced by the_________________?
A. Partial combustion of coal
B. Partial combustion of large size (< 50 mm) coke
C. High pressure gasification of coal (e.g. in Lurgi gasifier)
D. Atmospheric pressure gasification of coal (e.g., in Kopper-Totzek gasifier)
