Topic: Machine Design
The function of a washer is
- A. To fill the axial gap
- B. To provide cushioning effect
- C. To absorb shocks and vibrations
- D. To provide bearing area
Answer: D. To provide bearing area
Explanation: Washers mainly have two functions: 1. To ensure that the nut is pressed against a surface (providing bearing area), reducing the chance that it will contact an uneven surface. 2. To distribute the pressure of the nut evenly.