MNG331 - Blasting Final || EXAM MASTERY PACK;
QUESTIONS WITH A+ ACCURACY!!
The course objectives include:
-Obtain an understanding of explosives and explosive products, and the ability to apply this to
the breakage of rock in an environmentally acceptable and safe manner.
-Limiting flyrock
-Breaking rock so it can be loaded, hauled, and crushed effectively.
-Being able to break rock as small as possible. correct answers Obtain an understanding of
explosives and explosive products, and the ability to apply this to the breakage of rock in an
environmentally acceptable and safe manner.
The goals of the course include:
-To be knowledgable in the subject and be confident and able to design blasting shots.
-To learn how to break rock as finely as possible.
-Blowing up a lot of stuff.
-Get a good grade. correct answers To be knowledgable in the subject and be confident and able
to design blasting shots.
On average, how much explosives does the United States use every year?
-6000 tons
-6 billion pounds
-1 million tons
-6 mega tons correct answers 6 billion pounds
Who invented dynamite?
-Ascanio Sobrero
-Alfred Nobel
-Lamont Du Pont
-William Bickford correct answers Alfred Nobel
,What is optimum fragmentation?
-No oversize boulders.
-No fine particles.
-It varies from operation to operation.
-Uniform fragmentation. correct answers It varies from operation to operation
Who invented the blasting cap?
-Lamont Du Pont
-William Bickford
-Ascanio Sobrero
-Alfred Nobel correct answers Alfred Nobel
The purpose of explosives is to break rock so we can easily (note: Multiple Answer):
-Haul it
-Load it
-Crush it
-Dig it correct answers All of 'em
Crushing and grinding in moving of muckpile __________________________
Fractures extend to free face ______________________________
Crushing around the hole _________________________________
Rotation of fragments ______________________________ correct answers Secondary Crush
Gas Pressure
Shock Wave
Momentum
What is the most efficient way to use explosives?
, -Expand the blasting pattern.
-Maximize energy used to break rock to requirements.
-Use the lowest cost explosives available.
-Minimize energy expending on making: airblast, ground vibrations, and flyrock. correct answers
Maximize energy used to break rock to requirements.
Minimize energy expending on making: airblast, ground vibrations, and flyrock.
Why is the use of explosives important to our economy?
-If it's hard rock, you have to use explosives to break it so you can economically mine it.
-If we didn't have explosives, many raw materials would be very expensive.
-The amount of explosives sold is an important part of our GNP.
-Drilling and blasting is the least expensive way to break solid rock. correct answers If it's hard
rock, you have to use explosives to break it so you can economically mine it.
If we didn't have explosives, many raw materials would be very expensive.
Drilling and blasting is the least expensive way to break solid rock.
Which of the following explosives has the least water resistance?
-40% strength dynamite
-Emulsions
-ANFO
-Slurries correct answers ANFO
Which is the highest density explosive product?
-Water Gel
-ANFO
-Emulsion
-Cast booster correct answers Cast booster
QUESTIONS WITH A+ ACCURACY!!
The course objectives include:
-Obtain an understanding of explosives and explosive products, and the ability to apply this to
the breakage of rock in an environmentally acceptable and safe manner.
-Limiting flyrock
-Breaking rock so it can be loaded, hauled, and crushed effectively.
-Being able to break rock as small as possible. correct answers Obtain an understanding of
explosives and explosive products, and the ability to apply this to the breakage of rock in an
environmentally acceptable and safe manner.
The goals of the course include:
-To be knowledgable in the subject and be confident and able to design blasting shots.
-To learn how to break rock as finely as possible.
-Blowing up a lot of stuff.
-Get a good grade. correct answers To be knowledgable in the subject and be confident and able
to design blasting shots.
On average, how much explosives does the United States use every year?
-6000 tons
-6 billion pounds
-1 million tons
-6 mega tons correct answers 6 billion pounds
Who invented dynamite?
-Ascanio Sobrero
-Alfred Nobel
-Lamont Du Pont
-William Bickford correct answers Alfred Nobel
,What is optimum fragmentation?
-No oversize boulders.
-No fine particles.
-It varies from operation to operation.
-Uniform fragmentation. correct answers It varies from operation to operation
Who invented the blasting cap?
-Lamont Du Pont
-William Bickford
-Ascanio Sobrero
-Alfred Nobel correct answers Alfred Nobel
The purpose of explosives is to break rock so we can easily (note: Multiple Answer):
-Haul it
-Load it
-Crush it
-Dig it correct answers All of 'em
Crushing and grinding in moving of muckpile __________________________
Fractures extend to free face ______________________________
Crushing around the hole _________________________________
Rotation of fragments ______________________________ correct answers Secondary Crush
Gas Pressure
Shock Wave
Momentum
What is the most efficient way to use explosives?
, -Expand the blasting pattern.
-Maximize energy used to break rock to requirements.
-Use the lowest cost explosives available.
-Minimize energy expending on making: airblast, ground vibrations, and flyrock. correct answers
Maximize energy used to break rock to requirements.
Minimize energy expending on making: airblast, ground vibrations, and flyrock.
Why is the use of explosives important to our economy?
-If it's hard rock, you have to use explosives to break it so you can economically mine it.
-If we didn't have explosives, many raw materials would be very expensive.
-The amount of explosives sold is an important part of our GNP.
-Drilling and blasting is the least expensive way to break solid rock. correct answers If it's hard
rock, you have to use explosives to break it so you can economically mine it.
If we didn't have explosives, many raw materials would be very expensive.
Drilling and blasting is the least expensive way to break solid rock.
Which of the following explosives has the least water resistance?
-40% strength dynamite
-Emulsions
-ANFO
-Slurries correct answers ANFO
Which is the highest density explosive product?
-Water Gel
-ANFO
-Emulsion
-Cast booster correct answers Cast booster
