WorksheetsPLTW Types of Holes Quiz
Total questions: 13
Worksheet time: 17mins
What kind of hole is highlighted in green? Select all that apply.
Counterbore
Countersink
Simple
Blind
Through
What kind of hole is this? Assume the hole does NOT go all the way through, select all that apply.
Counterbore
Countersink
Simple
Blind
Through
What kind of hole is this? Select all that apply.
Counterbore
Countersink
Simple
Blind
Through
What kind of hole is hole A? Select all that apply
Counterbore
Countersink
Simple
Blind
Through
For the countersink hole on the left, what does the x 82⁰ mean?
It's the diameter of the hole
It's the diameter of the countersink
It's the depth of the countersink
It's the angle made where the two countersink lines meet
What is the depth of the counterbore?
THRU
0.251
7/16
1/4
0.001
What's the tolerance of the 0.251 diameter THRU hole?
0.251
7/16
1/4
0.001
Which hole note is written correctly, for the counterbore hole on the LEFT?
∅.438THRU
⊔∅.281ↆ9/32
∅.281THRU
⊔∅.438ↆ0.281
∅.438THRU
⊔∅.438ↆ.281
∅.281THRU
⊔∅.281ↆ.438
Which hole note is written correctly, for the counterbore hole on the RIGHT?
∅.442THRU
⊔∅.781ↆ9/16
∅.442THRU
⊔∅.562ↆ9/16
∅.562THRU
⊔∅.781ↆ.442
∅.781THRU
⊔∅.562ↆ.442
Select the symbol for DIAMETER
Counterbore
Select the symbol for COUNTERBORE
Counterbore
Select the symbol for COUNTERSINK
Counterbore
Select the symbol for HOLE DEPTH
Counterbore
