in charpy impact test, the pendulum is released from an angle of Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â degree

in charpy impact test, the pendulum is released from an angle of Â

1.	in charpy impact test, the pendulum is released from an angle of Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â degree
A.	120
B.	130
C.	140
D.	85
Answer» D. 85