Answer :
The correct answer is:
b) The roller bearings in this type of universal joint do not require lubrication.
Explanation:
1. Universal joints are components used in driveshafts to allow flexibility in the transmission of power between different parts of a vehicle.
2. In the given options, all statements are true except for option b, which states that the roller bearings in this type of universal joint do not require lubrication.
3. In reality, the roller bearings in a universal joint do require lubrication to function properly and reduce wear and tear.
4. Proper lubrication is essential to maintain the smooth operation and longevity of the universal joint in a vehicle.
b) The roller bearings in this type of universal joint do not require lubrication.
Explanation:
1. Universal joints are components used in driveshafts to allow flexibility in the transmission of power between different parts of a vehicle.
2. In the given options, all statements are true except for option b, which states that the roller bearings in this type of universal joint do not require lubrication.
3. In reality, the roller bearings in a universal joint do require lubrication to function properly and reduce wear and tear.
4. Proper lubrication is essential to maintain the smooth operation and longevity of the universal joint in a vehicle.