Fasteners - Screw Threads Flashcards
1
Q
A single start thread the lead is
A
1 * pitch
2
Q
A wire thread insert tap is
A
Supplied in a fitting kit
3
Q
Buttress threads are used
A
To transmit power on one direction
4
Q
Most commonly used thread form in aviation is
A
V thread
5
Q
Pitch of a screw thread is defined as
A
Distance from the centre of one crest to the next
6
Q
The angle of a screw thread is
A
The inclusive angle of the thread sides
7
Q
A metric screw thread angle is
A
60 degrees
8
Q
Which thread type has a 55 degree angle?
A
Whitworth
9
Q
The pitch of a screw thread is
A
Crest to root