Example exam Energy Technology
1. Which of the variables for the power output of a wind turbine can be altered in the
design of the wind turbine?
a. The mass of the air
b. The surface area of the blades
c. The velocity of the air
d. All aforementioned answers are correct
2. What are the three types of heat energy transmission in the picture below from 1 to
3?
a. 1) convection 2) radiation 3) conduction
b. 1) conduction 2) radiation 3) convection
c. 1) radiation 2) convection 3) conduction
d. All answers are incorrect
3. What type of plant is indicated in the picture?
a. A PV plant
b. A CSP plant with heliostats
c. A CSP plant with parabolic dishes
d. A plant using heat panels to produce district heating
,4. What would be a suitable location for a CSP from a multiple stakeholder perspective
and why? Explain your answer.
5. What are the indicated components of an energy system in the picture below?
a. A) wind turbine B) transformer C) electricity grid
b. A) power production B) transformer C) energy storage
c. A) power production B) energy storage C) transformer
d. A) wind turbine B) electricity grid C) transformer
6. Which process is indicated in the picture below?
a. Energy production
b. Energy transportation
c. Energy storage
d. Energy conversion
, 7. What are the indicated components in the picture below and what is their main
function? Give a short explanation
8. What is the most important reason behind a historic decline in prices for solar PV
panels?
a. Higher efficiency of the panels
b. Cheaper base materials used in the panels
c. Mass production in specialized companies
d. Improved transport system
9. Which of the gasses has the highest global warming potential in kg CO2 equivalents?
a. Carbon dioxide
b. Water vapour
c. Oxygen
d. Methane
10. What is the interplay that is going on between potential and kinetic energy in the
picture below? Explain the process going on.
11. A hydro-electric dam is 70 meters high and filled to maximum capacity. When
operational, the flow of water is 300 kg/s and the efficiency of the turbine is 91%.
What is the power output in kW of this dam when operational using the formula of
potential energy with gravity being 9.8 m/s2? Include the formula and calculation
steps.
1. Which of the variables for the power output of a wind turbine can be altered in the
design of the wind turbine?
a. The mass of the air
b. The surface area of the blades
c. The velocity of the air
d. All aforementioned answers are correct
2. What are the three types of heat energy transmission in the picture below from 1 to
3?
a. 1) convection 2) radiation 3) conduction
b. 1) conduction 2) radiation 3) convection
c. 1) radiation 2) convection 3) conduction
d. All answers are incorrect
3. What type of plant is indicated in the picture?
a. A PV plant
b. A CSP plant with heliostats
c. A CSP plant with parabolic dishes
d. A plant using heat panels to produce district heating
,4. What would be a suitable location for a CSP from a multiple stakeholder perspective
and why? Explain your answer.
5. What are the indicated components of an energy system in the picture below?
a. A) wind turbine B) transformer C) electricity grid
b. A) power production B) transformer C) energy storage
c. A) power production B) energy storage C) transformer
d. A) wind turbine B) electricity grid C) transformer
6. Which process is indicated in the picture below?
a. Energy production
b. Energy transportation
c. Energy storage
d. Energy conversion
, 7. What are the indicated components in the picture below and what is their main
function? Give a short explanation
8. What is the most important reason behind a historic decline in prices for solar PV
panels?
a. Higher efficiency of the panels
b. Cheaper base materials used in the panels
c. Mass production in specialized companies
d. Improved transport system
9. Which of the gasses has the highest global warming potential in kg CO2 equivalents?
a. Carbon dioxide
b. Water vapour
c. Oxygen
d. Methane
10. What is the interplay that is going on between potential and kinetic energy in the
picture below? Explain the process going on.
11. A hydro-electric dam is 70 meters high and filled to maximum capacity. When
operational, the flow of water is 300 kg/s and the efficiency of the turbine is 91%.
What is the power output in kW of this dam when operational using the formula of
potential energy with gravity being 9.8 m/s2? Include the formula and calculation
steps.
