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Gurmeet singh Asked a Question January 8, 2021 12:43 pm
30 pts 59. Leakage through rock fractures below a dam can be reduced significantly by: A. Bolting B. Grouting D. Blasting C. Drilling (ITT-JAM 2011) 60. Adit is an underground excavation, which is: A A horizontal opening giving access to main tunnel B. A horizontal opening used for transport- ing water to powerhouse C. A vertical opening used for multiple purposes D. An inclined opening providing access to main tunnel (iIT-JAM 2071)
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