Befähigungsprüfung Sprengungsunternehmen Practice Questions - Befähigungsprüfung Sprengungsunternehmen (Austria) Exam

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What is the typical density, detonation velocity (VOD), and key operational characteristic of gelatinous dynamites (e.g. Eurodyn / Donarit / Gelamon) used in Austrian commercial blasting?

High density (approx. 1.40 to 1.50 g/cm³), high detonation velocity (approx. 5,500 to 6,500 m/s), exceptional brisance, and outstanding water resistance. Low density (approx. 0.85 g/cm³), moderate detonation velocity (approx. 3,000 m/s), and no water resistance, requiring booster initiation. Very high density (approx. 2.0 g/cm³) with a deflagration velocity below 500 m/s and complete immunity to aging. A pourable slurry of pure nitroglycerin without oxidizer salts, detonating at over 8,000 m/s.

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High density (approx. 1.40 to 1.50 g/cm³), high detonation velocity (approx. 5,500 to 6,500 m/s), exceptional brisance, and outstanding water resistance.

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