Q1
Which of the following are percussion drills? (i) Shot drill (ii) Diamond drill (iii) Wagon drill (iv) Churn drill
A.
(i) and (ii) are correct
B.
(iii) and (iv) are correct
AnswerC.
(i) and (iv) are correct
D.
(ii) and (iii) are correct
Answer: Option B
Solution
Answer: Option B
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