Q1W4 Earth Science Pre-test

Q1W4 Earth Science

by Ronalyn Andagan

Multiple Choice

1. Which of the following is not a mineral ore?

• a. a rock with fossilized insect

• b. a rock combined with copper

• c. a sediment that has gold traces

• d. a rock that contains valuable mineral

Multiple Choice

2. How do modern miners determine the prospective mineral ore body?

I. using geophysical techniques

II. determining the elevation of the area

III. measuring the magnetic reading of the area

IV. determining the sonic responses of the location

• a. I, II and III

• b. I, II and IV

• c. II, III and IV

• d. III, IV and I

Multiple Choice

3. Nickel is an important ingredient in the production of stainless steel. In the Philippines, CARAGA region has the most numbered nickel mining site where miners remove a thin parallel strip of soil to extract the ore deposits. Which mining method did the miners use?

• a. Dredging

• b. Open-pit mining

• c. Strip mining

• d. Underground mining

Multiple Choice

4. Which of the following mining methods are used in mining gravel?

• a. Dredging

• b. Open-pit mining

• c. Strip mining

• d. Underground mining

Multiple Choice

5. Sand is composed of mineral grains that are widely used as a construction material. Which of the following method is the most applicable way to mine sand?

1. Open-pit mining 2. Strip Mining 3. Dredging

• a. 1 and 2

• a. 1 and 2

• c. 2 and 3

• c. 2 and 3

Multiple Choice

6. Which of the following is the correct step by step process in mineral processing?

• a. comminution, dewatering, crushing, grinding, and analysis

• b. sampling, analysis, comminution, filtration, and dewatering

• c. sampling analysis, comminution, concentration, and dewatering

• d. dewatering, comminution, analysis, sampling, and surface mining

Multiple Choice

7. Which of the following is not included in the group?

• a. Dredging

• b. Open-pit mining

• c. Strip mining

• d. Underground mining

Multiple Choice

8. What method of mining involves digging of tunnels to extract the ore deposits?

• a. deep mining

• b. pit mining

• c. underground mining

• d. surface mining

Multiple Choice

9. Which mineral mining process involves filtration and sedimentation of the mining water and drying of the solid minerals harvested from the suspension?

• a. comminution

• b. concentration

• c. dewatering

• d. sampling

Multiple Choice

10. Randie examined the ore sample from the undeveloped mining site in Batangas. He tested the chemical, mineral and particle size of the mineral sample from a site. What mineral processing did he perform?

• a. analysis

• b. comminution

• c. dewatering

• d. sampling

Multiple Choice

11. Which of the following statement/s is/are correct?

1. Surface and underground mining use explosives.

2. Underground mining is cheaper than surface mining

3. Open pit mining is the most common type of surface mining

• a. 1 only

• a. 1 only

• c. 1 and 2

• d. 1 and 3

Multiple Choice

12. Which of the following is the final step in mineral processing?

• a. Analysis

• b. Comminution

• c. Dewatering

• d. Sampling

Multiple Choice

13. Which is not true about surface mining?

• a. It is the most dangerous method of mining.

• b. It is used to extract ore minerals near the surface of the earth.

• c. Surface mining can be done through open pit, dredging and strip mining.

• d. In surface mining, the soil and rock that covered the ores are removed through blasting.

Multiple Choice

14. Engr. Atienza took a sample of mineral from the prospective mineral deposit. What mineral processing did he do?

• a. analysis

• b. sampling

• c. comminution

• d. dewatering

Multiple Choice

15. Which of the following processes involved crushing and grinding of mineral ore?

• a. analysis

• b. sampling

• c. comminution

• d. dewatering