Diameter of a bolt hole is usually taken as
- AGross diameter of bolt
- BNominal diameter + 1.5 mmCorrect
- CNominal diameter + 2.0 mm
- DNominal diameter of bolt
Solution
Concept
Bolt hole diameter
Step-by-step solution
1. The hole is made slightly larger than the bolt. 2. The key gives nominal diameter + 1.5 mm.
Explanation
The hole is made slightly larger than the bolt.
Correct answer: B) Nominal diameter + 1.5 mm