Question 1

Which energy is harnessed from the Earth’s underground?

Accepted Answer

Geothermal

Answer

Electrical

Answer

Mechanical

Answer

Solar

Question 2

Which of the following shows the proper sequence of energy conversion in a Geothermal powerplant?

Accepted Answer

Heat energy → mechanical energy → electrical energy

Answer

Electrical energy → mechanical energy → heat energy

Answer

Heat energy → electrical energy → mechanical energy

Answer

Mechanical energy → heat energy → electrical energy

Question 3

Which of the following shows the correct order of the parts of a Geothermal powerplant?

Accepted Answer

Magma → reservoir → turbine → generator → transmission lines

Answer

Magma → turbine → reservoir → generator → transmission lines

Answer

Magma → turbine → generator → reservoir → transmission lines

Answer

Magma → generator → turbine → reservoir → transmission lines

Question 4

What factor/s can be considered in constructing geothermal powerplants?

Accepted Answer

All of these

Answer

places with geysers and hot springs

Answer

the temperature of geothermal water

Answer

location

Question 5

In a Geothermal powerplant, what makes the turbine rotate?

Accepted Answer

Steam

Answer

water

Answer

Carbon

Answer

heat

Question 6

Where is the best place to construct a Geothermal Powerplant?

Accepted Answer

near an active volcano

Answer

far from an active volcano

Answer

far from an extinct volcano

Answer

near an extinct volcano

Question 7

What is the purpose of a cooling tower in a Geothermal powerplant?

Accepted Answer

It helps the steam to go back into liquid form (water).

Answer

It helps the turbine move faster.

Answer

It eases the production of electricity by cooling the whole powerplant.

Answer

It prevents heat from scattering throughout the power plant.

Question 8

The Philippines has several geothermal plant fields which supply our nation’s energy, which of the following is NOT perfectly matched?

Accepted Answer

Bacon-Manito Powerplant - Albay

Answer

Maibarara Powerplant - Batangas

Answer

Palinpinon Powerplant - Negros Oriental

Answer

Mak-ban Powerplant - Laguna

Question 9

Which statement is TRUE about a geothermal powerplant?

Accepted Answer

Geothermal energy is a sustainable energy source.

Answer

A geothermal power can be successful almost anywhere.

Answer

Initial costs in the construction of a geothermal power plant is low.

Answer

There is no risk of the release of hazardous substances during drilling.

Question 10

The following are advantages of having a geothermal powerplant, EXCEPT:

Accepted Answer

It affects surface stability that can trigger earthquakes due to hydraulic fracturing.

Answer

It is a reliable source of electricity.

Answer

It provides free hot water production.

Answer

It is more environmental-friendly than conventional fuel source such as coal.

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