Module 1: Introduction

Question 1

As per SME, coal provides more than ____% of global electricity.

Answer 1

36

Question 2

Percentage of coal used for electricity generation.

Answer 2

68%

Question 3

Percentage of coal used for steel production.

Answer 3

7%

Question 4

Over __% of the steel production today uses coal.

Answer 4

71%

Question 5

Percentage of coal used for cement production.

Answer 5

4%

Question 6

__________ coal produces odor and smoke free heat and are also less expensive than most standard heating options.

Answer 6

Anthracite

Question 7

Coal is a combustible rock composed mainly of __________, ___________, and ___________.

Answer 7

C, H, & O

Question 8

Coal is formed from vegetation consolidated between rock strata and altered by the combined effects of ________ & __________ over million of years to form coal seams.

Answer 8

heat, pressure

Question 9

The Carboniferous period is also known as _____________________.

Answer 9

Age of Amphibians

Question 10

During the Carboniferous period, O2 content was in its highest historical level at ____%.

Answer 10

35%

Question 11

Types of coal arranged from the lowest to the highest carbon and heating value.

Answer 11

Lignite, Subbituminous, Bituminous, & Anthracite.

Question 12

Types of coal arranged from the lowest to the highest moisture content.

Answer 12

Anthracite, Bituminous, Subbituminous, Lignite

Question 13

Lower rank coal composes ___% of world resources while hard coal is __%.

Answer 13

47%, 53%

Question 14

Percentages of the 4 types of coal out of the world resources.

Answer 14

Lignite-17%
Subbituminous-30%
Bituminous-52%
Anthracite-1%

Question 15

2 Types of Bituminous Coal

Answer 15

Thermal (Steam) coal and Metallurgical (Coking) coal.

Question 16

A group under the anthracite class that consists of 86-92% fixed carbon limits and 8-14% volatile matter limits.

Answer 16

Semianthracite

Question 17

A group under the Bituminous class of coal that consists of less than 86% fixed carbon limits and more than 14 % volatile matter limits.

Answer 17

Low-Volatile bituminous

Question 18

It is a measure of the amount of non volatile carbon remaining in a coal sample.

Answer 18

Fixed carbon

Question 19

It refers to the water, carbon dioxide and sulfur dioxide, etc. present in a coal sample.

Answer 19

Volatile matter

Question 20

Coal that is burned to create steam that drives turbines and generators for electricity production.

Answer 20

Thermal/Steam Coal

Question 21

______________ coal is a key ingredient in steelmaking.

Answer 21

Metallurgical/coking coal

Question 22

A byproduct of coal used in cement manufacture and the wider construction industry.

Answer 22

Fly ash

Question 23

Coal is heated and pressurised with steam to produce __________ for domestic lighting and heating.

Answer 23

town gas

Question 24

Advantages of a coal

Answer 24

Accessibility
Usability
Versatility
Affordability
Safety

Question 25

Disadvantages of coal

Answer 25

Non renewable Health hazards Environmental Impacts High carbon emissions

Question 26

It was mined by simply picking it off beaches where it was deposited after being eroded from coal outcrops both above and below sea level.

Answer 26

Sea coal

Question 27

Coal exposed on a hillside was mined by following the coal seam, horizontally into the ground.

Answer 27

Drift mine

Question 28

The coal seam occurred below the ground surface and a shallow shaft was dug to reach the coal.

Answer 28

Bell Pit

Question 29

New coal mining method developed during the Industrial Revolution

Answer 29

Board and Pillar Method

Question 30

Long tunnels that were cut out of the coal seam, leaving pillars of coal to hold the roof.

Answer 30

Boards

Question 31

Shaft from which the miners went up and down and the coal came up.

Answer 31

Main/downcast shaft

Question 32

A second shaft built to prevent explosions, where at its bottom was a large fire for ventilation purposes.

Answer 32

Upcast shaft

Question 33

It ensured that a gust of air never blew down the upcast shaft and sent fire blazing into the mine.

Answer 33

Wind vane

Question 34

Walls built to force the air to travel through all the workings.

Answer 34

Stoppings

Question 35

Amount of coal left in the world (BOE)

Answer 35

4, 292, 901, 367, 086

Question 36

At current consumption levels, it is estimated that there are _____ years of coal left.

Answer 36

133

Question 37

Top 5 countries with the highest coal reserves arranged from highest to lowest.

Answer 37

``` US Russia Australia China India ```

Question 38

Year on which the Philippines started producing coal.

Answer 38

1977

Question 39

Year on which the Philippines started importing coal.

Answer 39

1988

Question 40

Year on which the Philippines started exporting coal.

Answer 40

2007

Question 41

Coal mining company with the highest coal production in MT in the Philippines.

Answer 41

Semirara Mining and Power Corporation (SMPC)

Question 42

Differentiate a Resource from a Reserve.

Answer 42

A resource is that amount of a geologic commodity that exists in both discovered and undiscovered deposits—by definition, then, a “best guess.” Reserves are that subgroup of a resource that have been discovered, have a known size, and can be extracted at a profit.