Bahan penyumbat lubang bor yang terbuat dari lempung dan remukan atau batuan sisa pemboran disebut …
Pola peledakan tambang

Quiz
•
Other
•
11th Grade
•
Medium
Zamdi Rahman
Used 5+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Detonator
Blasting
Stemming
Booster
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Arah pengeboran untuk pembuatan lubang ledak adalah…
Acak
Horizontal
Sembarang
Vertikal
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Arah bidang bebas dalam kegiatan peledakan disebut…
Spasi
Burden
Free face
Subdrilling
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jarak dari lubang tembak dengan bidang bebas yang terdekat dan arah dimana perpindahan akan terjadi disebut…
Spasi
Burden
Free face
Bench
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jarak terdekat antara 2 lubang tembak yang berdekatan dalam satu baris disebut…
Spasi
Burden
Freeface
Bench
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tambahan kedalaman dari lubang bor di bawah lantai jenjang disebut…
Spasi
Burden
Free face
Subdrilling
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jenjang yang dibuat pada lapisan batuan yang akan dilakukan peledakan disebut…
Spasi
Burden
Free face
Bench
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