9) Lasers are used to accurately measure distance through use of the Doppler effect. Does this measure a change in: a. Intensity b. Wavelength C. Amplitude d. Frequency 10) A 100mm Sine Bar on a flat table is raised at one end by a gauge block measuring 45mm. Is the angle of the bar: a. 26.74- b. 63.26' C. 24.23 d. 32.68- 11) In roundness measurements, the ring gauge centre refers to the centre of: a. The smallest diameter circle that can encompass the roundness trace; b. The best-fit circle of the roundness trace; c. Two concentric circles that encompass the roundness trace. d. The largest circle that can fit inside the roundness trace; 12) ISO 9000: Which of the following is NOT an example of poor quality: a. Price of the product is significantly higher than other similar products b. Product is delivered later than promised c. Product is delivered with no instructions for use d. Product stops working unexpectedly 13) Which of the following is true. A clearance fit: a. Allows room for expansion, morement and lubrication b. Is a tight pressed fit c. Results in elastic / plastic deformation of the component d. Can also be an interference fit