- Bit
- Adaptor
- Drill
- None of these
- 120 dB (A)
- 130 dB (A)
- 140 dB (A)
- 115 dB (A)
- 90 dB (A)
- 85 dB (A)
Q) In Top hammer drill, the piston strikes on the __________ to transfer the energy.
Solution:
b. Adaptor
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