Pre Test Stockpile Management

Pre Test Stockpile Management

Professional Development

20 Qs

quiz-placeholder

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Pre Test Stockpile Management

Pre Test Stockpile Management

Assessment

Quiz

Professional Development

Professional Development

Hard

Created by

Dody Yasri

Used 5+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pengaturan Batubara di stockpile yang bertujuan untuk meminimalisir atau menghilangkan masalah-masalah umum yang sering terjadi pada handling batubara. Adalah definisi dari?
Coal Handling Management
Storage Management
Monitoring
Stockpile Management
Stockpile Maintenance

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berikut ini masalah-masalah umum yang terjadi pada Stockpile Batubara, kecuali?
Penurunan kualitas
Spontaneous Combustion
Ash batubara
Debu batubara
Kontaminasi

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Apa yang mungkin akan terjadi jika tumpukan stockpile Batubara terkena cuaca hujan?

a) TM akan naik & Calori gar naik

b) TM akan naik & Calori gar turun

c) Batubara mengalami Sticky

d) Ash batubara naik

Jawaban a dan d salah

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Batubara mengalami oksidasi menghasilkan panas terjadi self heating kemudian berasap hingga terbakar, proses ini disebut?
Reaksi eksotermis batubara
Coal Self Heating
Spontaneous Combustion
Reaksi oksidatif batubara
Isoperibol Calori Reaction

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berikut adalah teori-teori yang menjelaskan fenomena Swabakar pada Batubara, kecuali?
Teori Thermodinamika
Teori Pyrite
Coal Oxygen complex Theory
Bacteria Theory
Humidity Theory

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Besi disulfide (Fe2S) pada Batubara disebut juga sebagai senyawa?
Pyirite
Besi Sulfida
Sulfit
Fero sulfat
Marcasite

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dalam Teori Pyrite yang merupakan salah satu teori penyebab spontaneous combustion, senyawa Pyrite pada Batubara teroksidasi menjadi senyawa?
Asam Sulfat
Fero sulfat
Marcasite
Fero Nitrat
Volatile Matter

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