Questions 6 through 10 refer to the four-bar mechanism below, which has the link lengths shown. For each question, the answer choices are: a) crank rocker b) drag link c) double rocker (only the two links adjacent to the ground are rockers) d) triple rocker (all three moving links are rockers) e) change point mechanism 6. The mechanism is of type 7. The mechanism is of type 8. The mechanism is of type 9. The mechanism is of type 10. The mechanism is of type. if r = 0.3. if r3 = 1. if r = 1.5. if r3 = 3 if r = 5. r3 2.5 3