Download GTU BE/B.Tech 2017 Winter 7th Sem Old 172203 Environment Management In Mine Question Paper

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Subject Name: Environment Management in Mine

Time: 10.30 AM TO 01.00

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Date: 10/11/2017

Total Marks: 70

Instructions:

1. Attempt all questions.
2. Make suitable assumptions wherever necessary.

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3. Figures to the right indicate full marks.

Q.1 (a) What is the overall impact of mining on environment? (07)

(b) Evaluate the cost benefit analysis of mining. (07)

Q.2 (a) What are the issues of mine closure? (07)

(b) How overburden issue can be resolved in mining activity? (07)

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OR

(b) How mill tailing disposal is carried in mining? (07)

Q.3 (a) Explain decommissioning of reclamation. (07)

(b) What technology is used for AMD? (07)

OR

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Q.3 (a) What is active and passive treatment of acid mine drainage? (07)

(b) How ecological restoration of mining is planned? (07)

Q.4 (a) How post mining land use is designed? (07)

(b) What are the risk associated with mine closure? (07)

OR

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Q.4 (a) How environment impact assessment is carried for mining activity? (07)

(b) What is importance of data for environment management in mines? (07)

Q.5 Write note on any two : (14)

1. Inventory of pre-mining land use.
2. Closure of mine entries.

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3. Constructed wetlands.
4. Public hearing for environment management in mines.