Apa tujuan utama penggunaan mechanical sampler dalam sampling batubara?

QUIZ MECHANICAL SAMPLER TWO STAGE

Quiz
•
Chemistry
•
Professional Development
•
Easy
Ranti Pratiwi
Used 4+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 7 pts
Mengurangi jumlah pekerja
Mempercepat proses pengiriman batubara
Meningkatkan representatifitas dan efisiensi sampling
Menurunkan kualitas batubara
2.
MULTIPLE CHOICE QUESTION
30 sec • 7 pts
Two-stage sampling dalam mechanical sampler terdiri dari tahap apa saja?
Crushing dan blending
Primary sampling, Crushing dan secondary sampling
Conveyor dan storage
Drying dan screening
3.
MULTIPLE CHOICE QUESTION
30 sec • 7 pts
Di tahap primary sampling, dari mana batubara diambil?
Dari stockpile
Dari truk pengangkut
Dari ruang laboratorium
Dari conveyor belt utama saat batubara mengalir (falling stream)
4.
MULTIPLE CHOICE QUESTION
30 sec • 6 pts
Pada mechanical sampler two-stage, setelah secondary sampling, batubara akan menuju ke:
Conveyor utama
Box Canister
Truk pengangkut
Loading port
5.
MULTIPLE CHOICE QUESTION
30 sec • 6 pts
Berapa kali minimum pengambilan sample dilakukan dalam satu tongkang untuk representatif data?
100 kali
Sekali saja
Tidak perlu diambil lebih dari sekali
Tergantung tonase dan kecepatan aliran
6.
MULTIPLE CHOICE QUESTION
30 sec • 7 pts
Fungsi utama dari secondary sampler dalam sistem mechanical sampler two-stage adalah untuk:
Mengambil sebagian sampel dari hasil primary sampler untuk analisis
Mengayak sampel hingga ukuran -212 µm
Menyimpan seluruh sampel untuk pengiriman ke laboratorium
Mencampur batubara agar homogen
7.
MULTIPLE CHOICE QUESTION
30 sec • 7 pts
P2H mechanical sampler meliputi kegiatan berikut, kecuali:
Pemeriksaan sambungan kabel sensor
Pemeriksaan chute
Pemeriksaan kondisi belt conveyor
Kalibrasi ulang
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