WorksheetsHydropower, wind, wave, and current energy systems
Total questions: 10
Worksheet time: 5mins
What is the correct energy conversion sequence in a hydroelectric dam?
Mechanical → Electrical → Potential
Kinetic → Potential → Electrical
Potential → Kinetic → Mechanical → Electrical
Electrical → Mechanical → Kinetic → Potential
Which factor does NOT influence wind energy potential?
Wind Speed
Air Density
Swept area of blades
Water Temperature
Which Indonesian wind farm is located in Sidrap, South Sulawesi?
PLTB Sidrap (72 MW)
PLTB Sidrap (75 MW)
PLTB Tala (70 MW)
PLTB Sumba (Hybrid Plant)
Which of the following is the primary source of hydropower energy?
Wind speed
Solar Radiation
Water cycle
Fossil fuel combustion
What device converts the mechanical rotation of a turbine into electricity?
Compressor
Generator
Condensor
Pump
Which area is known for strong and consistent winds suitable for PLTB?
South Sulawesi
Kalimantan
Papua
Maluku
Pumped Hydro Energy Storage (PHES) is mainly used for.....
Increasing wind speed
Reducing water evaporation
Enhancing fossil fuel efficiency
Long-term energy storage
What is the innovative feature of modern PHES?
Underground storage tanks
Nuclear hybridization
Biomass integration
Off-river modular systems
Which design is NOT a tidal turbine innovation?
Counter-rotating turbines
Oscillating hydrofoils
Gas compression turbines
Tethered underwater kites
The theoretical maximum efficiency of wind energy extraction is governed by :
Betz Law
Carnot Law
Bernoulli’s Principle
Pascal’s Law
