To what level should the tractor's voice engaged in agricultural work – McqOptions

MCQOPTIONS

1.	To what level should the tractor's voice engaged in agricultural work not exceed -
A.	90 डेसीबल
B.	100 डेसीबल
C.	120 डेसीबल
D.	150 डेसीबल
Answer» B. 100 डेसीबल

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