QUIZ MECHANICAL SAMPLER TWO STAGE

QUIZ MECHANICAL SAMPLER TWO STAGE

Professional Development

15 Qs

quiz-placeholder

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QUIZ MECHANICAL SAMPLER TWO STAGE

QUIZ MECHANICAL SAMPLER TWO STAGE

Assessment

Quiz

Chemistry

Professional Development

Practice Problem

Easy

Created by

Ranti Pratiwi

Used 4+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 7 pts

Apa tujuan utama penggunaan mechanical sampler dalam sampling batubara?

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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