Which of the following are associated with Ackerman steering mechanism used in automobiles? 1. Has both sliding and turning pairs 2. Less friction and hence long life 3. Mechanically correct in all positions 4. Mathematically not accurate except in three positions. 5. Has only turning pairs 6. Controls movement of two front wheels
(a) 2, 4, 5 and 6 (b) 1, 2, 3 and 6
(c) 2, 3, 5 and 6 (d) 1, 2, 3 and 5