Diagram Shows The Production Of Electricity Using A System Called Ocean Thermal Energy Conversion IELTS Academic Writing Task 1
Diagram Shows The Production Of Electricity Using A System Called Ocean Thermal Energy Conversion IELTS Academic Writing Task 1 sample answer is given below. The candidates are required to present a tentative answer for the same. Diagram Shows The Production Of Electricity Using A System Called Ocean Thermal Energy Conversion IELTS Academic Writing Task 1 requires candidates to write a summary or Overview based on a diagram, a table, a line graph, or a bar graph in at least 150 words. IELTS academic writing task 1 is a writing task for 150 words. Candidates are given 20 minutes and are required to write a summary for IELTS Academic writing task 1. IELTS writing score is marked based on band scores. The band scores range from 0 to 9. Meanwhile, candidates might consider practising from IELTS writing practice papers to help excel your writing skills.
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Topic: The diagram below shows the production of electricity using a system called Ocean Thermal Energy Conversion (OTEC).
Band 6 Answer
A system known as Ocean Thermal Energy Conversion is used in the diagram to represent the process of creating electricity (OTEC). The provided graph demonstrates how the OTEC system generates electricity using sunlight and seawater. The device generates energy by utilising the disparity in temperature between the deep ocean's chilly water and the tropical sea's warm surface waters.
In the beginning, solar energy transforms warm seawater into water vapour before flowing into an evacuated evaporation chamber. The temperature needed to heat the ocean's surface can reach up to 29 degrees. Salt and salt less water vapour are then separated inside the chamber from salt less water vapour. Electricity is produced as a result of the turbine being rotated by the salt less water vapour as it enters a condensing chamber. The temperature used to freeze at this stage can rise to a maximum of 5 degrees. Moving on to the subsequent stages, the cold water from the ocean's depths is used to cool the salt less water vapour inside the condensing chamber. The procedure is then repeated until all the processes have been completed. At this point drinking water is produced while at the same time, salt water waste is refilled from cool seawater.
Band 6.5 Answer
The method of employing the Ocean Thermal Energy Conversion system to produce energy from seawater is shown in the diagram (OTEC). The accompanying graph illustrates how sunlight and seawater are used in the OTEC system to generate power. It also teaches how to get pure drinking water using the same process.
The solar energy, evaporation chamber, and condensing chamber are the three main components of this system. In addition, the water is used to maintain the temperature difference up to 1000 metres beneath the surface of the ocean. It helps with the evaporation and condensation processes. Sea surface water that has been warmed to 29 degrees Celsius by the sun is first poured into the evaporation chamber. At this phase, the water is evaporated in order to remove the salt, and a turbine then processes the water. By circulating water vapour across it, the turbine produces electricity. These vapours then go farther along the pipe into a condensing chamber, where they are constantly cooled by the deep saltwater that flows through the chamber. In the end, this chamber creates pure drinking water while emptying the salt back into the ocean. The complete OTE facility is sunk 100 metres under the water's surface, where water evaporation occurs at 29 degrees Celsius. And water purification occurs at 5 degrees Celsius in normally cooler, deeper saltwater.
Band 7 Answer
The process of Ocean Thermal Energy Conversion, or OTEC in short, is depicted in the given graphic as producing electricity. The OTEC system of producing electricity uses sunlight and seawater, as can be seen from the provided graph, to produce electricity in the end. Additionally, it demonstrates how to obtain pure water for drinking using the same method.
The sea water is heated by sunshine, and the diagram shows that at a temperature of about 29 degrees Celsius, the warm water converts to vapour. The evacuated evaporation chamber is situated close to the ocean's surface. It is placed so that water that is heated by solar radiation can become vapour can pass through a turbine. Seawater that has been evaporated, which is saltless, flows through a turbine to produce energy. The salty water is kept in the lower part of the "evaporated evaporation chamber" during evaporation. And once it is evaporated, it is passed through a rectangular condensing chamber that separates the clean drinking water from the waste salt water. The entire OTE structure is submerged 100 metres beneath the surface of the sea, where water evaporation takes place at a temperature of 29 degrees Celsius. And water purification is carried out in typically cooler, deeper seawater at a temperature of 5 degrees Celsius.
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