
Mining Operations Quiz
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Geography
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20 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Manakah yang menjadi salah satu indikator utama untuk menilai kinerja keberlanjutan dalam penambangan terbuka batubara?
Jumlah reboisasi yang dilakukan
Volume produksi batubara per tahun
Durasi ekstraksi Batubara
Tingkat konsumsi air untuk operasional tambang
2.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Apa tujuan utama dari proses rehabilitasi lahan pasca-tambang?
Memaksimalkan produksi tambang baru
Mempercepat erosi tanah
Mengembalikan fungsi ekologis lahan
Memperpanjang masa aktif tambang
3.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Berapa sudut kemiringan maksimum yang diperbolehkan dalam desain lereng tambang berdasarkan faktor keamanan geoteknik yang umum digunakan?
45 derajat
50 derajat
70 derajat
90 derajat
4.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Sudut kemiringan yang aman untuk jalan tambang biasanya berkisar antara?
0-5 derajat
45-60 derajat
90-120 derajat
180 derajat
5.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Dibawah ini yang tidak termasuk kondisi geologi dan hidrogeologi adalah?
mineralogi dan petrologi
porositas batuan
komposisi kimia (utama, mineral by product)
Struktur endapan (lipatan, patahan, diskontiniu, intrusi)
6.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Jenis peralatan apa yang umumnya digunakan dalam proses "stripping" untuk menghilangkan overburden dalam penambangan terbuka batubara?
Excavator dan Haul Truck
Longwall Miner
Continuous Miner
Shaft Sinking Rig
7.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Faktor apa yang paling mempengaruhi pemilihan alat berat dalam operasional tambang?
Kecepatan alat
Ketersediaan alat
Warna alat
Kapasitas alat
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