Placer Mining Involves the Use of ____________

question 16

Multiple Choice

Placer mining involves the use of ____________

• A)screens or pans and running water
• B)draglines and heavy dump trucks
• C)a pickaxe and rock hammer
• D)explosives and support beams
• E)seismic activators and thermal couplers

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Definitions:

Forging Process

A manufacturing process involving the shaping of metal using localized compressive forces, such as hammering or pressing.

False Alarm

An incorrect signal indicating that a certain condition or attribute has been detected when it has not.

Control Charts

Statistical tools used in quality control to monitor a process and identify when it is out of control, through the plotting of data points in time order.

Gradual Shift

A slow and steady change or movement in position, opinion, or condition over time.