Mine Ventilation Controls Flashcards

Flashcards about mine ventilation controls based on lecture notes.

__ are used to control airflow in a mine.

Direct air to where it is needed and to keep intake air from short-circuiting to the exhaust.

Permanent bulkheads are typically built using __.

Concrete blocks, sandfill, or other incombustible material.

Temporary bulkheads are often made of __.

Canvas brattice cloth or plastic.

Check curtains are designed to __.

Close automatically after you have passed through them.

Fire doors are used in mines __.

To control airflow in the event of a fire and act as a barrier to fire and contaminated air.

Regulators are used to __.

Adjust the quantity of airflow in the mine.

Overcasts and undercasts are used to __.

Permit intake and exhaust air currents to cross without short-circuiting.

Mine doors are used to __.

Keep air from flowing to areas where it is not needed or to isolate separate splits of air.

Line brattice is used to __.

Channel intake air into a working area that would not have adequate ventilation otherwise.

Auxiliary ventilation systems with fans and tubing are used to __.

Control and direct airflow to or from the mining area, especially where dust is produced.