What are the components of an Ackermann steering gear_______________?
Show answer Hide answer
Answer: B. turning pairs
Explanation
An Ackermann steering gear is a geometric arrangement of linkages used on motor vehicles to steer front wheels properly. The steering arms and tie rods in this mechanism are connected together using pivoting pin joints. These pivoting pin connections permit relative angular rotation between the steering links, forming turning pairs. Ackermann steering geometry ensures that inner and outer front wheels pivot at correct angles to turn around a common center point. Kinematic linkages in steering gears must withstand high lateral loads while maintaining smooth angular movement. Using turning pairs minimizes mechanical friction and wear during vehicle cornering maneuvers.
Sliding pairs involve linear relative motion, whereas steering linkages rotate around fixed pivot pins. Rolling pairs involve rolling contact without sliding, which does not describe mechanical steering pivot joints. Higher pairs involve line or point contact like gears, whereas steering linkages use robust surface contact pin joints.
- Subject
- Engineering
- Category
- Mechanical Engineering
- Topic
- —
- Difficulty
- medium
Related questions
Q1. What type of kinematic linkage is a universal joint_____________________?
Show answer Hide answer
Answer: B. lower pair
A universal joint connects two intersecting shafts using pin and bearing connections. These pin connections provide area contact between the pins and their corresponding bearings. Kinematic pairs featuring surface contac...
Q2. An eccentric sheave pivoted at a point rotates and imparts oscillating motion to a linked arm; what mechanism type is this___________________?
Show answer Hide answer
Answer: C. 4 links
An eccentric sheave, connecting rod, frame, and follower together form a four-bar linkage. Each individual component acts as a distinct rigid link connected by turning or sliding joints. Counting the sheave, rod, frame,...
Q3. How is the angle of action for a cam mechanism defined____________________?
Show answer Hide answer
Answer: E. moved by the cam from beginning of ascent to the termination of descent
The total angle of action of a cam is the cam rotation angle from the very beginning of the follower's ascent to the final termination of its descent. This comprehensive angular measurement encompasses rise, dwell, and r...
Q4. What is the cam rotation angle corresponding to the follower's ascent called___________________?
Show answer Hide answer
Answer: D. moved by the cam from the instant the follower begins to rise, till it reaches its highest position
The correct answer represents the exact motion of the follower from lowest to highest position. Cam ascent angle is specifically defined by the rotation duration during the upward stroke. This parameter ensures proper ti...
Q5. How is the angle of dwell of a cam defined________________?
Show answer Hide answer
Answer: C. through which the cam rotates during the period in which the follower remains in the highest position
The dwell angle is the interval of cam rotation during which the follower remains stationary. During this specific phase, the follower stays locked at its highest position without moving. Cam profile designers specify th...
Q6. In which type of mechanism analysis is Coriolis component of acceleration encountered_________________?
Show answer Hide answer
Answer: A. quick return mechanism of shaper
The Coriolis component of acceleration arises when a point slides along a rotating link, which occurs in mechanisms like the quick-return mechanism of a shaper. Shaper quick-return mechanisms combine rotational crank mot...