California Blasters Test || QUESTIONS WITH
GUARANTEED CORRECT ANSWERS!!
What is the composition of A.N.F.O? correct answers 94% Ammonium Nitrate 6% Fuel Oil
What are some causes of fly rock? correct answers Excessive explosives, insufficient stemming
material, angled holes, charges to close to surface
How much explosives can be stored in a second class mag? (day box) correct answers Less than
100 pounds, 50 pounds indoor
Standard Safety fuse burns at which rate? correct answers 40 seconds a foot
All fuses must extend to what length beyond the collar of a blasting hole correct answers 3 feet
What is the maximum number of fuses a blaster can light at one time? correct answers 12/1 in
snow one fuse
Barricade correct answers a building or structure containing explosives effectively screened from
inhabited buildings, another magazine by a natural or artificial barricade of such height that a
straight line from the top of any sidewall of the building containing explosives to the eave line of
any other magazine or inhibited structure
Barricade Natural correct answers Natural features of terrain such as hills, or timber of sufficient
density that the surrounding exposures which require protection cannot be seen from the
magazine when the trees are bare of leaves
How many milliseconds between blasts to be defined as separate blasts? correct answers 8
milliseconds
How many feet of det. cord should be left out of a hole correct answers 3 feet
True or False, det cord loses sensitivity when wet correct answers True
True or False, explosive fires should not be attempted to extinguish correct answers true
true or false, primer charges should be close to the same size as borehole correct answers true
How long should you wait after drilling a hole before it is packed with explosives correct
answers 1 hour
Can water gels emit smoke and toxic fumes correct answers yes
True or False, ANFO can combust when in contact w/ iron oxides correct answers True
, Who has control over blasting operations correct answers a licensed blaster on site is in complete
control
what is the minimum age of anyone requesting a blasters license correct answers 21
type 2 magazine correct answers mobile and protable indoor and outdoor magazine for the
storage of high explosive material
A burning safety fuse... correct answers burns internally w some smoke and a little melting well
behind the point of burning. it doesnt show flame or spark as it burns and it should not jump
who controls the transportation of explosives across highways correct answers CHP
Who is responsible for issuing a blasters license correct answers OSHA
What is the minimum age of a blasters helper correct answers 18
if there is reason to beleiee that a charge has not exploded, what is the minimum wait time when
electrical caps are used... correct answers 30 mins
if there is reason to believe that a charge has not exploded, what is the minimum wait time when
a fuse and cap are used correct answers 30 minutes in snow blasting, 60 minutes otherwise
what is the minimum burn time for safety fuse in snow? correct answers 90 seconds
Ordinary safety fuse is waterproof correct answers false
who is not allowed to handle explosives correct answers convicted felon, dishonorable discharge
what are the three precautions before firing a blast correct answers guards to clear and keep clear
blast area, adequate cover provided for personnel who must remain in blast area, a simple and
positive warning system
what is the best tool for cutting det cord correct answers razor blade and wood block
true or false, an explosive with 40% tnt provides a more heaving or puishing thrust verses a
shattering effect caused by an explosive with a larger percentage of tnt correct answers true
what is the best tool for cutting fuse cord correct answers crimpers
true or false. detonating cord should not be plastic coated if there is going to be a lot of knots in
the cord correct answers true
Fire extinguishers correct answers two 4A 20-bc
GUARANTEED CORRECT ANSWERS!!
What is the composition of A.N.F.O? correct answers 94% Ammonium Nitrate 6% Fuel Oil
What are some causes of fly rock? correct answers Excessive explosives, insufficient stemming
material, angled holes, charges to close to surface
How much explosives can be stored in a second class mag? (day box) correct answers Less than
100 pounds, 50 pounds indoor
Standard Safety fuse burns at which rate? correct answers 40 seconds a foot
All fuses must extend to what length beyond the collar of a blasting hole correct answers 3 feet
What is the maximum number of fuses a blaster can light at one time? correct answers 12/1 in
snow one fuse
Barricade correct answers a building or structure containing explosives effectively screened from
inhabited buildings, another magazine by a natural or artificial barricade of such height that a
straight line from the top of any sidewall of the building containing explosives to the eave line of
any other magazine or inhibited structure
Barricade Natural correct answers Natural features of terrain such as hills, or timber of sufficient
density that the surrounding exposures which require protection cannot be seen from the
magazine when the trees are bare of leaves
How many milliseconds between blasts to be defined as separate blasts? correct answers 8
milliseconds
How many feet of det. cord should be left out of a hole correct answers 3 feet
True or False, det cord loses sensitivity when wet correct answers True
True or False, explosive fires should not be attempted to extinguish correct answers true
true or false, primer charges should be close to the same size as borehole correct answers true
How long should you wait after drilling a hole before it is packed with explosives correct
answers 1 hour
Can water gels emit smoke and toxic fumes correct answers yes
True or False, ANFO can combust when in contact w/ iron oxides correct answers True
, Who has control over blasting operations correct answers a licensed blaster on site is in complete
control
what is the minimum age of anyone requesting a blasters license correct answers 21
type 2 magazine correct answers mobile and protable indoor and outdoor magazine for the
storage of high explosive material
A burning safety fuse... correct answers burns internally w some smoke and a little melting well
behind the point of burning. it doesnt show flame or spark as it burns and it should not jump
who controls the transportation of explosives across highways correct answers CHP
Who is responsible for issuing a blasters license correct answers OSHA
What is the minimum age of a blasters helper correct answers 18
if there is reason to beleiee that a charge has not exploded, what is the minimum wait time when
electrical caps are used... correct answers 30 mins
if there is reason to believe that a charge has not exploded, what is the minimum wait time when
a fuse and cap are used correct answers 30 minutes in snow blasting, 60 minutes otherwise
what is the minimum burn time for safety fuse in snow? correct answers 90 seconds
Ordinary safety fuse is waterproof correct answers false
who is not allowed to handle explosives correct answers convicted felon, dishonorable discharge
what are the three precautions before firing a blast correct answers guards to clear and keep clear
blast area, adequate cover provided for personnel who must remain in blast area, a simple and
positive warning system
what is the best tool for cutting det cord correct answers razor blade and wood block
true or false, an explosive with 40% tnt provides a more heaving or puishing thrust verses a
shattering effect caused by an explosive with a larger percentage of tnt correct answers true
what is the best tool for cutting fuse cord correct answers crimpers
true or false. detonating cord should not be plastic coated if there is going to be a lot of knots in
the cord correct answers true
Fire extinguishers correct answers two 4A 20-bc
