MIME 322 Review Game

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Types of Explosions Used in Mining
 
 
_____ drills can be used for 4'-11' holes
 
Bailing Velocity in a drill hole should be at least _____ ft/min
 
What is added to emulsions to produce 'hot spots' as a sensitizer
 
 
Explosives used in underground mines should be of Class _____
 
Factors that could cause accidental detonation of explosives
 
 
 
 
In a surface blast in Quebec, what is the max peak particle velocity (PPV) allowed by Law less than 30m from structures (cm/sec)
 
You are allowed to transport detonators and explosives in the same truck provided that the two are separated by a wood partition at least _______mm thick
 
_______ drills apply pressure to the top of the drill bit/rod
 
_______ drills apply pressure directly on the drill bit
 
3 basic types of intiation systems used now
 
 
 
_________ drills are used for exploration to gather undisturbed soil samples
 
When drilling perimetric holes (holes along final excavation line), what are some special considerations you must take
 
 
 
 
Major drawbacks of hand-held drills
 
 
 
The ratio of the weight of explosives per cubic meter of rock is known as the....
 
The amount of energy that will be liberated by explosives per mass or volume of rock is known as the
 
Three main types of drilling methods used today
 
 
 
Why is diamond drilling rarely used to blast hole drilling
 
The two basic ingredients of explosives are
 
 
The shortest distance to the nearest free face is called
 

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