Practice Questions 23-05-2019 Test5

1. Consider the following statements regarding the energy from biomass:
I. Biomass is plant matter produced as a result of photosynthesis and some of it can be burnt to provide heat, for example wood, agricultural waste.
II. Biomass can also be used for power generation or converted into alcohol (liquid or methane gas) to be used as fuel.
III. Biomass is renewable energy and shall be available as long as plants grow on earth.

Which of the following statement(s) is/are correct?


2. With reference to solar evacuated tube collector, consider the following:
1.Solar hot water collectors boil your water to high temperatures, also pre-heat the water using the sun, meaning that your existing oil, gas, and electrical heater are utilized much less whilst still delivering the same amount of warmth and comfort.
2.Solar thermal collectors are generally made from glass fronted and fully insulated box having an absorber plate usually made from sheet aluminium or copper inside. Water is then pumped through a series of pipes in the collector and is heated.
which of the above statement is correct


3. with reference to solar thermal ,consider the following
1.Solar thermal energy uses Solar hot water panels, or collectors, and especially evacuated tube technology to increase the efficiency level of a solar heating system by absorbing and storing more heat for a longer time.
2.A solar powered hot water heating system, also known as a solar thermal energy or solar heating system, is really a very simple system that utilises the heat from the sun’s rays to heat up water for the home and domestic use
3.Compared with solar photovoltaics, the captured heat energy of the panel is not converted into electricity.
which of the above statement is correct:


4. Global Syndemic of Obesity, Undernutrition and Climate Change” was published by


5. Consider the following statements with respect to ‘Heart Attack Rewind’
1. It is launched by World Health Organisation (WHO)
2. It promotes the elimination of industrially produced trans-fat in the food supply.
Select the correct statements


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