Study of this chapter will enable the reader to:

practise answering short questions from a multiple choice of answers;

test own understanding of using units of measurement;

prepare for tests, assignments and written examinations where this form of questioning is provided;

evaluate why some answers are not entirely correct for the question;

have discussions with peers and instructors over the meaning of the incorrect answers;

lead into further study and investigation;

answer a range of questions relevant to the fifth edition and building services engineering work generally.