PRC Exam 515 Questions 2022 with complete solution,
Exam (elaborations)
a - 1. What is the legal basis for the Philippine claim over the Spratleys? A. None of
these C. Occupation since time immemorial B. Discovery of
...
PRC Exam 515 Questions 2022 with complete solution,
Exam (elaborations)
a - 1. What is the legal basis for the Philippine claim over the Spratleys? A. None of
these C. Occupation since time immemorial B. Discovery of oil D. Discovery of mineral
resources
d - 2. What is the minimum average daily tonnage required in a 300 day per year gold
mining operation with a grade of 1 ounce per ton and a net recovery of 90% (including
milling and refining) in order to breakeven if the total variable unit cost is 100 dollars per
ton mined, the annual mine overhead is 2 million dollars, the head office overhead is 2.8
million dollars, and the gold price is 400 dollars per ounce? A. 400 tons C. 300 tons B.
200 tons D. None of these
a - 3. What is a URL? A. a web address C. an e-mail address B. a special software
program D. all of these
d - 4. The practice of Company officers trading in their own company's shares is; A.
none of my business C. illegal but good for the company B. nothing wrong with it D.
illegal and unethical
a - c What satellite series now enables workers in isolated places to communicate with
their head office which may be located in another continent? A. Inmarsat series C.
Challenger series B. all of these D. Apollo series
b - c Assuming that a power plant needs 10,000 dry short tons (DST) of coal with a
heating value of 10,000 BTU/lb on dry basis and you can only produce 5,000 DST at a
heating value of 8,000 on dry basis, how much imported coal with a heating value of
12,000 BTU/lb on dry basis do you need for blending? A. 6,000 DST C. 4,000 DST B.
none of these D. 7,000 DST
c - 8. A mine accident has an adverse impact on; A. profit and production C. all of these
B. compensation D. employee morale
d - 9. A mineral occurrence that can be mined at a profit is called; A. mineral deposit C.
disseminated deposit B. vein deposit D. ore deposit
a - 10. What portion of a copper ore deposit would you expect to have the highest
grade? A. Zone of supergene enrichment C. Leached zone B. Sulfide zone D. Oxidized
zone
c - 11. Which of these is a classification process? A. Flotation C. None of these B.
Drying D. ball millinga - 12. What mineral and energy resources are explicitly included in the FTAA provision
of the 1987 Constitution? A. Petroleum C. Coal B. Geothermal D. All of these
b - 13. What is the contract between the government and a coal mining operator called?
A. geophysical survey and exploration contract C. Service contract B. Coal operating
contract D. Coal production sharing contract
c - 14. Where is an acidic mine drainage likely to come from? A. limesrone quarries C.
copper mines B. coal mines D. None of these
d - 15. A mines incentive bonus scheme provides for a 50% bonus for development
advance beyond the standard of 3 meters per day per crew, for which they get 300
pesos per day. What is the total compensation due to a crew that advanced 105 meters
during a 25 working day month, assuming no holidays and no night work? A. None of
these C. 7,500 pesos B. 11,000 pesos D. 12,000 pesos
b - 16. The heating value of a certain coal on a moisture free basis is 10,000 BTU/lb.
What is its heating value on an as received basis with a moisture content of 15%? A.
None of these C. 1,500 B. 8,500 D. 8,696
c - 17. To be globally competitive, the Filipino Mining Engineer must strive as much as
possible to be: A. technically competent C. all of these B. sensitive to foreign cultural
differences D. computer literate
c - 18. What is 48 degreesd F in the centigrade scale? A. 18 degrees C. 9 degrees B.
none of these D. 12 degrees
c - 19. How much concrete would you need to completely line 50% of a 2 kilometer 4
meters by 5 meters tunnel with a 5 centimeter thick concrete? A. none of these C. 890
cubic meters B. 700 cubic meters D. 1400 cubic meters
c - 20. In a modern open pit mine, reclamation is done; A. if required by the government
C. simultaneously with the mining operations B. all of these D. after the mine has been
closed so as not to disturb mining operations.
c - 21. Which of the following would you treat as fixed assets in an operating mine? A.
Explosives C. Buildings B. Chemical reagents D. Fuel Oil
c - 22. What is the net annual foreign exchange savings for the country using 3000 tons
per day from a local mine operating 300 days a year, displacing 10,000 barrels of oil per
day, assuming 25 dollars per barrel of imported oil and the cost of producing the coal is
500 pesos per ton of which 20 percent is in US dollars to pay for foreign loans and the
exchange rate is 50 pesos to one US dollar? A. 66 million dollars C. 73.2 million dollars
B. none of these D. 75 million dollarsc - 23. What is the comprehensive study needed to support a loan application? A.
detailed cost estimates C. bankable feasibility study B. geological report D. prefeasibility study
d - 24. Which of the following is NOT the result of conversion of a mining or petroleum
product? A. Electricity C. Gasoline B. Toothpaste D. None of these
c - 25. What should be the purpose of responsible unionism in mines? A. None of these
C. to promote workers rights B. to resist management D. to bring down capitalism
d - 26. The cost of environmental protection in mining operation is usually classified
under: A. post-closure costs C. None of these B. capital costs D. operating costs
c - 27. What was the recent Supreme Court decision which adversely affects Philippine
Mining Industry? A. Unconstitutionality of Petroleum service contracts B.
Unconstitutionality of IPRA C. Unconstitutionality of FTAA D. Unconstitutionality of Mine
Production Sharing Agreements
b - 28. Which of the following is the common cause of poisoning in mines? A. Oxygen
C. Methane B. Carbon Monoxide D. Carbon Dioxide
b - 29. What is the most important and basic information, which the Mining Engineer
must ensure is as accurate as possible, for an accurate feasibility study? A. forecast of
future metal prices C. environmental impact B. geology D. Volume and grade of
reserves.
a - 30. To be effective the mine manager should; A. None of these B. Stay in the field all
the time and let assistants handle the necessary paperworks in the office. C. delegate
everything to his subordinates and just get reports from his subordinates. D. stay in his
office all the time and leave field operations entirely to subordinates.
d - 31. High grading in the gold industry means: A. doctoring assay results to increase
the grade B. increasing the cut off grade C. None of these D. artificially raising the value
of samples.
b - 32. What is the controversial provision of the IPRA law, the constitutionality of which
was challenged in the Supreme Court? A. participation of NGO's B. ownership of
minerals by indigenous people C. participation of LGU's D. ownership of ancestral
domains
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