Hydrogenation invented in the year
A. 1904
B. 1924
C. 1934
D. 1914
Answer: Option D
A. 1904
B. 1924
C. 1934
D. 1914
Answer: Option D
The required water for 1 ton of sand in hydraulic sand stowing is . . . . . . . .
A. 800 l
B. 600 l
C. 1100 l
D. 1200 l
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