Q312
The guides are fixed by counter sunk bolts to the buttons placed across the shafts at intervals of . . . . . . . .
A.
0.5 - 1 m
B.
1.2 - 1.5 m
C.
1.8 - 3 m
AnswerD.
3.2 - 4 m
Answer: Option C
Solution
Answer: Option C
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