Answer Happy

Question 2 The following are data on a control response set up. Based on this data, determine the optimum C/R ratio for the set up. (5) C/R Ratio Travel Time (s) Adjust Time (s) 2 0,1 9 4 2 6 12 3 3 24 8 0,1 [5] Question 3 An artist is sitting at his desk. There is a 200-cd light source 4 feet above him. He is busy with light yellow (75% reflectance) and light blue piece (55% reflectance) and will be busy for the next few months with this project. 3.1 Determine the illumination on the art piece. 3.2 Is the amount of illumination efficient? Motivate your answer 3.3 Determine the contrast on the art piece. 3.4 Determine the luminance of the light blue part. [8]