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Manufacturing and Production: Part 23
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Tool life

## Ashish Futtan is teaching live on Unacademy Plus

Ashish Futtan
MTECH IIT Bombay|Quora Top Writer for GATE Mechanical 2019|Cracked IIT (ISM) Dhanbad,IIT DELHI|3 times GATE qualified| Singer|

U
wow sir you have a genius mind thank you soooooo much for this session sir
Sandeep Dhuper
a year ago
Most welcome
Shama siddique
a year ago
thanks sir
1. 1 manufacturing and production

2. HELLO! l am ASHISH FUTTAN MTECH-IT BOMBAY TOP STAR EDUCATOR VERIFIED EDUCATOR CRACKED VARIOUS IITs 3 TIMES GATE QUALIFIED PUBLISHED MORE THAN 600 LESSONS

3. IES 2012 In Taylor's tool life equation VTn C, the constants n and C depend upon 1. Work piece material 2. Tool material 3. Coolant (a) 1, 2, and 3 (b) 1 and 2 only (c) 2 and 3 only (d) 1 and 3 only

4. IES 2008 In Taylor's tool life equation is VTn constant. What is the value of n for ceramic tools? (a) 0.15 to 0.25 (b) 0.4 to 0.55 (c) 0.6 to 0.75 (d) 0.8 to 0.9

5. IES 2006 Which of the following values of index n is associated with carbide tools when Taylor's tool life equation, V.Tn - constant is applied? (a) 0-1 to 015 (b) 0 2 to 04 (c) 0.45 to 06 (d) 0-65 to 09

6. IES 1999 The approximately variation of the tool life exponent 'n' of cemented carbide tools is (a) 0.03 to 0.08 (b) 0.08 to 0.20 (c) 0.20 to 0.48 (d) 0.48 to 0.70

7. IAS - 1998 Match List - I (Cutting tool material) with List - Il (Typical value of tool life exponent 'n' in the Taylor's equation VTr = C) and select the correct answer using the codes given below the lists: List List II A. HSS 1. 0.18 B. Cast alloy 2. 0.12 C. Ceramic 3. 0.25 D. Sintered carbide 4. 0.5 Codes: A B C D A B C D (a) 1 2 3 4 (b) 2 1 3 4 (c) 2 1 4 3 (d) 1 2 4 3

8. IES 2010 Tool life is affected mainly with (a) Feed (b) Depth of cut (c) Coolant (d) Cutting speed

9. IES 1997 Consider the following elements: 1. Nose radius 2. Cutting speed 3. Depth of cut4. Feed The correct sequence of these elements in DECREASING order of their influence ontool life is (a) 2, 4, 3, 1 (b) 4, 2, 3, 1 (c) 2,4, 1, 3 (d) 4, 2, I, 3

10. IES 1994, 2007 For increasing the material removal rate in turning, without any constraints, what is the right sequence to adjust the cutting parameters? 1. Speed2. Feed 3. Depth of cut Select the correct answer using the code given below (a) 1-2-3 (b) 2-3-1 (c) 3-2-1 (d) 1-3-2