Examinasi Analyst Coal

Examinasi Analyst Coal

Professional Development

35 Qs

quiz-placeholder

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Examinasi Analyst Coal

Examinasi Analyst Coal

Assessment

Quiz

Professional Development

Professional Development

Hard

Created by

Dody Yasri

FREE Resource

35 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

Tahapan pembentukan batubara yang benar adalah…
Lignit - peat - bituminous - antrachite
Peat - lignit - antrachite - bituminous
Lignit - peat - subbituminous – bituminous
Peat - lignit - subbituminous - bituminous

2.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

Batubara adalah batuan sediment, senyawa heterogen terdiri dari unsur-unsur utama, kecuali:
Karbon
Ultimat
Hidrogen
Nitrogen

3.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

Secara kimia, batubara tersusun dari 3 (tiga) komponen utama, kecuali:
Moisture
Fixed Carbon
Coal Matter
Mineral Matter

4.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

Ditinjau dari segi pemanfaatannya, batu bara dapat dibagi mejadi 3 golongan, kecuali:
Untuk bahan bakar
Untuk penimbunan tanah
Untuk pembuangan kokas
Untuk pembuatan bahan dasar energi lainnya

5.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

Moisture yang biasanya ditentukan dalam analisis batubara, kecuali:
Total moisture
Free moisture
Analysis moisture
Residual moisture

6.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

Air yang terikat pada batubara secara fisika dan dapat dihilangkan pada suhu sampai 105°C disebut....
Air dried moisture
Free moisture
Moisture
Inherent moisture

7.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

Berikut ini metode standar yang digunakan untuk penentuan total moisture dari hard coal, kecuali…
ISO 589
ASTM D 3302
ASTM D 2961
ISO 1171

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