A. 70
B. 55
C. 80
D. 94
Related Mcqs:
- 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 A, B. and C. - Which of the following is not a product of coal tar distillation ?
A. Anthracene
B. Creosote oil
C. Carbolic oil
D. None of these - The terminology ‘BTX’ used in coal tar distillation industry refers to___________________?
A. Benzol-toluol-xylol
B. Benzol-toluene-xylene
C. Benzene-toluol-xylol
D. Benzene-toluene-xylene - The yield of tar from high temperature carbonisation of dry coal is about _______________ percent?
A. 3
B. 12
C. 22
D. 0.3 - 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 A , B. and C. - Ultimate analysis of coal determines its _______________________ content?
A. Carbon, hydrogen, nitrogen & sulphur
B. Carbon, ash, sulphur & nitrogen
C. Carbon, sulphur, volatile matter & ash
D. Carbon, volatile matter, ash & moisture - Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is ______________ percent?
A. 10
B. 50
C. 80
D. 95 - Alcohol content in freshly prepared natural and fortified wine may be respectively around ______________ percent ?
A. 7-14 and 14-30
B. 7-14 and 40-50
C. 14 – 30 and 40-50
D. 10 – 20 and 40 – 50 - Average sulphur content in Indian pyrites is about _________________ percent?
A. 15
B. 35
C. 55
D. 70 - Sucrose content in cane sugar may be around ______________________ percent ?
A. 50
B. 70
C. 95
D. 80
