Please answer with explanation. 13. One of the advantages of force-duct with exhaust overlap system is it provides cool air to the face and permitsquick re-entry after blasting.TrueFalse14. An overlap ventilation system is commonly used for shaft bottoms and sumps.TrueFalse15. Steel ducted exhausting systems taken from one end of the station provide adequate flow over switches andbatteries, to reduce gas accumulation in electrical sub-stations and battery charging stations.TrueFalse16. Auxiliary mine ventilation is a carefully designed and utilized process in a controlled fashion to provideventilation benefits without jeopardizing other ventilation variables.TrueFalse17. Section 5.1 (1) specifies that an employer shall conduct audit of the workplace for the purpose of identifying,assessing and managing hazards, and potential hazards, that may expose a worker to injury or illness.TrueFalse

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13. One of the advantages of force-duct with exhaust overlap system is it provides cool air to the face and permits quick re-entry after blasting. True False

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

Please answer with explanation.

13. One of the advantages of force-duct with exhaust overlap system is it provides cool air to the face and permits
quick re-entry after blasting.
True
False
14. An overlap ventilation system is commonly used for shaft bottoms and sumps.
True
False
15. Steel ducted exhausting systems taken from one end of the station provide adequate flow over switches and
batteries, to reduce gas accumulation in electrical sub-stations and battery charging stations.
True
False
16. Auxiliary mine ventilation is a carefully designed and utilized process in a controlled fashion to provide
ventilation benefits without jeopardizing other ventilation variables.
True
False
17. Section 5.1 (1) specifies that an employer shall conduct audit of the workplace for the purpose of identifying,
assessing and managing hazards, and potential hazards, that may expose a worker to injury or illness.
True
False

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