[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
A. Oxide only
B. Sulphate only
C. Oxide and sulphate
D. Dependent on temperature and partial pressure of oxygen & sulphur dioxide
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
A. Drain out water and sludge from the boiler during repair
B. Put off fire in the furnace when water level in the boiler falls to unsafe limit
C. Guard the boiler in case of abnormal rise in steam pressure
D. All A, B. & C
A. Electrolytic reduction
B. Calcium reduction
C. Magnesium reduction
D. Thermal dissociation
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
A. 2-5
B. 18-20
C. 12-15
D. 6-12