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[主观题]

Wet dust control systems can be very effective but are more costly to install and operate.

提问人：网友qjc915 发布时间：2022-01-07

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更多“Wet dust control systems can b…”相关的问题

第1题

Several dust control methods should be considered to lower airborne levels of silica dust

A、Booster fans to improve local ventilation

B、Control haul road dust

C、Keep muck wet when loading

D、A main mine fan used to establish air circuits on a mine-wide scale

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第2题

Several dust control methods should be considered to lower airborne levels of silica dust

A、Establish an air circuit and keep fans as close to the loading area as possible.

B、Control haul road dust.

C、Keep muck wet when loading

D、Booster fans to improve local ventilation.

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第3题

Please list the keys to effective wet spray dust control.

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第4题

is another drill dust collection method and involves injecting water into the bailing airflow traveling down the drill stem.

A、Wet suppression

B、Dry drill dust collection

C、Dry suppression

D、Wet drill dust collection

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第5题

Common types of dust collectors:

A、Gravity separators (drop-out boxes)

B、Baghouse collectors

C、Wet scrubbers

D、Electrostatic precipitators (ESPs)

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第6题

When shuttle cars unload, dust levels can be decreased by using at the mouth of the feeder-breaker that activate during dumping to wet coal before it enters the crusher.

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第7题

The practices can help control respirable dust levels in the longwall shear？

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第8题

Continuous Miner dust control

A、Water Spray System

B、Dust rollback control

C、Flooded-Bed scrubbers

D、Ventilation Control

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第9题

Dust collection systems are most widely used engineering control technique.

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第10题

most operations are supplying quantities above the statutory minimum of in an effort to better control respirable dust and methane.

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