Choose the correct Tense From of the verb in bold type. 1)Direct radiation is in the form of parallel rays coming straight from the sun.
2) The amount of solar energy received at any location depends on the hour of the day, the day of the solar year, and the meteorological conditions.
3) Boilers are used in large industrial plants to create steam.
4) All kinds of online cleaning methods were developed.
5) The governments of different countries in the European Community have made programs for reducing the amount of NOx and SO emissioned.
6) Heat transferred from the warmer fluid to the colder fluid encounters resistances that will create several losses.
7) This advice will have suffered fewer thermal forces by the end of the month.
8) The clear liquid doesn’t have colour and smell.