McqMate
Q. |
A point angle of 135 - 150? on twist drills is used for drilling |
A. | Mild steel |
B. | Hard steels and nickel alloys |
C. | Cast iron |
D. | Bakelite |
E. | Plastics |
Answer» B. Hard steels and nickel alloys |
View all MCQs in
Production EngineeringNo comments yet