Related Questions

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
'Ami Bijoy Dekhechi' was written by ---
A M.R. Akhtar Mukul
B Selina Hossain
C Muntassir Mamoon
D Ali Riaz
The word bounty is closest is closest in meaning to--
A generosity
B familiar
C dividing line
D sympathy
The following sentence has been translation ed into Bengali Point out the correct Bengali translation "I can make neither heard nor tail of it"
A আমি মাথা আর লেজ একসাতে পারি না
B আমি এটার মাথা বা লেজ কোনটাই বানাতে পারি না
C আমি এ থেকে কিছুই বুঝলাম না।
D আমি ওটার মাথা বা লেজ কোনটাই দেখি না।
Although it can be derived_ oil, coal, and tar kerosene is usually produced_ refining it from petroleum.
A from/by
B by/from
C in/from
D at/for
Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent.
A 10 & 3
B 3 & 10
C 15 & 8
D 10 & 20
Yield of pitch from distillation of high temperature tar is around __________ percent.
A 10
B 25
C 65
D 100
The recommended grade of tar for grouting purpose is
A RT-1
B RT-2
C RT-3
D RT-5
Coal tar is used as a
A Binding material for coal briquettes
B Fuel in rotary kiln
C Binder in making carbon electrodes
D All of the above
Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because
A Its calorific value is very less
B Tar neutralises the residual acids present in pitch
C It reduces viscosity and imparts fluidity for its transportation through pipelines at economic pressure drop
D All of the above

Next steps