Technical Drawing - 2D Drawing Representation

Exercise : 2D Drawing Representation - General Questions
1.
This is a conical-shaped recess around a hole, often used to receive a tapered screw head:
Boss
Spotface
Counterbore
Countersink
Answer: Option
Explanation:
No answer description is available. Let's discuss.

2.
This is an angled surface used on cylinders to make them easier to handle:
Fillet
Taper
Chamfer
Lug
Answer: Option
Explanation:
No answer description is available. Let's discuss.

3.
These are used to attach parts to a cylinder so they won't turn on it:
Lugs and bearings
Keyseats and bearings
Knurls and keys
Keys and keyways/keyseats
Answer: Option
Explanation:
No answer description is available. Let's discuss.

4.
This is a flat or rounded tab protruding from a surface, usually to provide a method for attachment:
Lug
Boss
Chamfer
Spotface
Answer: Option
Explanation:
No answer description is available. Let's discuss.

5.
This is a hollow cylinder that is often used as a protective sleeve or guide or as a bearing:
Lug
Bushing
Chamfer
Knurl
Answer: Option
Explanation:
No answer description is available. Let's discuss.