101I Flashcards
1
Q
Cooling a metal suddenly from a high temperature is called
A
Quench
2
Q
Cast iron is very
A
Porous and brittle
3
Q
Asbestos is a group of
A
Minerals that can only be identified under a micro scope
4
Q
No mark grade 1 low steel bolt psi rating is
A
65,000
5
Q
3 marks carbon steel grade 5 psi rating is
A
120,000
6
Q
6 marks grade 8 carbon alloy psi is
A
150,000
7
Q
In imperial system you always add how many to the amount of lines on the bolt to get the grade
A
2
8
Q
Removal of bolts with thread lock may require
A
Heat
