11. In a tool life test, on doubling the tool speed the cutter life reduces to 1/8 of the original. Find Taylor’s tool life index?
A. 1/2
B. 1/3
C. 1/4
D. 1/8
12. Dry and compressed air is used as cutting fluid for machining-
A. Al
B. Steel
C. Cast Iron
D. Brass
13. Which one of these is not related to grinding-
A. Buffing
B. Dressing
C. Glazing
D. Truing
Read More- Machine Design Objective Questions
14. Internal gears can be made by-
A. shaping with rack cutter
B. milling
C. hobbing
D. shaping with pinion cutter
15. The main purpose of chaplets are-
A. to support the cores
B. to provide efficient venting
C. for aligning the mould boxes
D. to ensure directional solidification