Colorado State Blasters
Exam with questions and
well verified answers actual
exam!!! 2026
Over Pressure - ANSWER -a rapid increase, then decrease, in atmospheric pressure
created by an explosion
Armed Charge - ANSWER -An explosive cartridge that contains a detonator
Artificial barricade - ANSWER -An artificial mount berm or wall of earth with a minimum
thickness of 3 feet
Barricaded - ANSWER -The effective screening of a building or magazine that contains
explosive materials from another magazine or building by natural or artificial barrier
Binary Explosive - ANSWER -A detonator-sensitive high explosive consisting of two
substances, an oxidizer and a fuel, that when mixed together form an explosive.
Black Powder - ANSWER -A deflagrating or low explosive compound of an intimate
mixture of sulfur, charcoal, and alkali nitrate.
, Blast Area - ANSWER -The area of a blast within the influence of flying rock missiles,
gases, and concussion.
Blaster - ANSWER -A type 1 individual who is permitted to possess and control the use of
explosives
Blasting Agent - ANSWER -An explosive material which meets prescribed criteria for
insensitivity to initiation
Blasting Mat - ANSWER -A mat of woven steel, wire, rope, scrap tires, etc to cover blast
holes for the purpose of preventing flying rock missiles
Blast pattern - ANSWER -The plan of the drill holes laid out for blasting. Composed of the
burden distance, the spacing distance, and their relationship to each other.
Blast Site - ANSWER -Area where explosives are handled for blasting operations. A
distance of 50 feet is required in all directions from explosive charges, loaded boreholes, and
to be loaded boreholes
Booster - ANSWER -An explosive charge designed to be used in the initiation sequence
between an initiator or primer and the main explosive charge.
Borehole - ANSWER -A hole drilled in the material to be blasted that contains an
explosive charge
Burden - ANSWER -Distance from the borehole and the nearest free face
Bus wire - ANSWER -Expendable heavy gauge bare copper wire used to connect
detonators
Charge per delay - ANSWER -Any charges firing within an 8 millisecond time period are
considered to have a cumulative effect on vibration and air over-pressure effects. They are
summed within 8-millisecond intervals
Collar - ANSWER -The mouth or opening of a borehole
Exam with questions and
well verified answers actual
exam!!! 2026
Over Pressure - ANSWER -a rapid increase, then decrease, in atmospheric pressure
created by an explosion
Armed Charge - ANSWER -An explosive cartridge that contains a detonator
Artificial barricade - ANSWER -An artificial mount berm or wall of earth with a minimum
thickness of 3 feet
Barricaded - ANSWER -The effective screening of a building or magazine that contains
explosive materials from another magazine or building by natural or artificial barrier
Binary Explosive - ANSWER -A detonator-sensitive high explosive consisting of two
substances, an oxidizer and a fuel, that when mixed together form an explosive.
Black Powder - ANSWER -A deflagrating or low explosive compound of an intimate
mixture of sulfur, charcoal, and alkali nitrate.
, Blast Area - ANSWER -The area of a blast within the influence of flying rock missiles,
gases, and concussion.
Blaster - ANSWER -A type 1 individual who is permitted to possess and control the use of
explosives
Blasting Agent - ANSWER -An explosive material which meets prescribed criteria for
insensitivity to initiation
Blasting Mat - ANSWER -A mat of woven steel, wire, rope, scrap tires, etc to cover blast
holes for the purpose of preventing flying rock missiles
Blast pattern - ANSWER -The plan of the drill holes laid out for blasting. Composed of the
burden distance, the spacing distance, and their relationship to each other.
Blast Site - ANSWER -Area where explosives are handled for blasting operations. A
distance of 50 feet is required in all directions from explosive charges, loaded boreholes, and
to be loaded boreholes
Booster - ANSWER -An explosive charge designed to be used in the initiation sequence
between an initiator or primer and the main explosive charge.
Borehole - ANSWER -A hole drilled in the material to be blasted that contains an
explosive charge
Burden - ANSWER -Distance from the borehole and the nearest free face
Bus wire - ANSWER -Expendable heavy gauge bare copper wire used to connect
detonators
Charge per delay - ANSWER -Any charges firing within an 8 millisecond time period are
considered to have a cumulative effect on vibration and air over-pressure effects. They are
summed within 8-millisecond intervals
Collar - ANSWER -The mouth or opening of a borehole
