PARTB Question 1 Ferrule Open Cap End TR Top Notch Tube Rub Runner Stretcher Top Spring Tip Centre Ball Spring (Only on Telescopes Bottom Spring Tip Cup Crook Handle Figure Q1.1 Figure Q1.2 A Bicycle Holding Stand An umbrella and its constituent parts are shown in Figure Q1.1. The goal of the umbrella is to protect the user from 'getting wet in rain' or 'getting attacked by the sun'. i. Establish three or four sub assemblies of the umbrella and label them in the Figure and identify the 'Purpose Functions' performed by them. (4 Marks) ii. Establish at least three 'Action Functions' performed to achieve each of the 'Purpose Functions' by the corresponding subsystem of the umbrella. (6 Marks) iii. Arrange the 'Purpose Functions' and the 'Action Functions' of the umbrella as a Function Tree. (4 Marks) iv. Figure Q1.2 shows a plastic coat that can also be used for to protect the user from 'getting wet in rain' or 'getting attacked by the sun'. Explain constraints where (a) the umbrella becomes an unacceptable solution and (b) when the plastic coat becomes an unacceptable solution. (6 marks) (Total 20 Marks)