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Diploma Manufacturing technology 2 Important questions
UNIT-I Theory of Metal Cutting, Drilling Machine & Abrasive Process
Three Marks
1. State any three functions of cutting fluid. [October 2019]
2. Explain the factors affecting tool life. [October 2020, April 2020, 2019. 2014, 2011, 2005, 2004]
3. State the purpose of chip breakers. [April 2016, October 2020, 2010]
4. Define tool life. (Or) How tool life can be measured? [April 2016, 2015, 2014, 2004, October
2014, 2009, 2008]
5. What is orthogonal cutting? [October 2020]
6. Explain deep hold drilling. (Or) Describe the process of deep hole drilling. [April 2014, October 2019, 2010, 2006]
7. Describe about reaming with a neat sketch. [April 2019]
8. Explain counter boring operation with a sketch. [June 2020, October 2017]
9. State the functions of flutes in drill. [April 2017, 2013, 2012, October 2016]
10.Define drilling. [October 2019, 2011]
11.Describe precision grinding. [October 2017]
12.Explain dressing and truing of grinding wheel. (October 2017)
13.Describe about planetary grinders. [April 2019]
14.Show the arrangement of taper grinding on a cylindrical grinder. [June 2020]
15.Show the arrangement for cylindrical form grinding. [October 2018]
16.Give two examples of artificial abrasives of grinding wheel. [October 2019]
17.What is dressing abrasive wheels? [April 2019]
18.What is the application of abrasive belt grinder? [October 2018, April 2014, 2013]
19.What is grit and grade in grinding wheels? [April 2018, October 2013, 2012]
20.What are the types of bonds used in grinding wheels? [October 2017, 2016, 2015, 2013,
April 2016, 2015, 2012]
21.List the main parts of a horizontal spindle surface grinder. [April 2017]
22.What is the purpose of dressing of grinding wheel? [June 2020]
23.What are the properties of good cutting tool materials? [October 2016, 2007, April 2012,
2005]
7 & 14 Marks
1. Sketch and explain the nomenclature of a single point cutting tool. [October 2020, 2017,2015, 2014, 2008, 2007, 2004, April 2015, 2014, 2012, 2010, 2007, 2006, 2004]
2. Explain any four operations which can be performed on a drilling machine with the help of
neat sketches. (Or) Explain any three drilling machine operations with sketches. [October2019, 2016, 2014, 2013, 2011, 2009, 2006, 2003, April 2020, 2015, 2008, 2007, 2005,
2003]
3. Describe with neat sketch the nomenclature of a twist drill.(June 2020, April 2016, 2014,
2013, 2008, 2006, 2004, October 2018, 2014, 2013, 2011, 2010, 2007)
4. Explain any two methods of holding a drill bit with sketches. [October 2017, April 2017,2016]
5. Explain the construction and working of Radial drilling machine with a neat sketch.(October2014, 2012, 2008, 2005, 2004, 2001, April 2016, 2012, 2002, 2000)
6. Explain with sketch the working of a upright drilling machine and stating its salient features.(April 2018, 2010)
7. Explain the working of an [external Centreless grinder (Or) Centreless grinder] with sketch. (April 2017, 2010, 2003, 2006, 2000, October 2017, 2016, 2015, 2013, 2012, 2009, 2007)
8. Describe with a neat sketch about the balancing of grinding wheel. (April 2018, 2016, 2007,2004, October 2020, 2013)
9. Describe the mounting of grinding wheels.(April 2019, 2015, 2012, 2004, October 2020,2016, 2014, 2005, 2001)
10. Explain with a suitable sketch, the internal centre less grinder. [October 2019, 2015]
11.Explain with line diagram the working of a surface grinder. (June 2020, April 2016, 2015)
UNIT-II Reciprocating Machines and Broaching
Three Marks
1. Name the various parts of a pull broach.[June 2020]
2. Show by sketches any three broached shapes.[October 2020]
3. How are broaches classified? (Or) write briefly the types of broaches. [October 2019, April2019]
4. What are the disadvantages of broaching machines? [October 2017]
5. Mention the different types of broaching operation. [October 2018, 2016, April 2018, 2016]
6. List the types of broaching machines. [April 2017, 2014, 2012, October 2012]
7. What is land in the broach tool? [April 2019]
8. Mention the work holding devices of a planer. [April 2019, October 2007]
9. Specify a planer. [June 2020, October 2017]
10.Write any two specification of the slotter. [October 2020, 2014, 2007, April 2014]
11.Describe any one fixtures used in planer. [April 2018, 2006]
12.Name the main parts of a double housing planer. [April 2017, 2008]
13.Mention the types of quick return mechanism of a planer. [October 2019, 2010]
14.Give specifications of a slotter. [October 2019]
15.Describe about any one work holding device in shaper. [April 2019]
16.Draw any one fixture used in shaper. [October 2018]
17.List the advantages of hydraulic drive of a shaper. [April 2017, 2016, 2006]
18.Compare planer and shaper. [October 2017, 2013, 2006, 2004, 2003, April 2015, 2013,2008]
19.State the advantages of hydraulic shaper. [October 2019]
20.Name the various work holding devices used in a shaper. [October 2018]
21.What is quick return mechanism used in shaper? [April 2018, 2017, 2014, 2012, October2015]
22.Mention the various operations performed in a shaper. [October 2017, 2014, April 2004]
23.Describe three operation performed in a slotter. [April 2018, October 2011]
7 & 14 Marks
1. Explain with a neat sketch the working of an automatic feed mechanism used in [slotter (Or) Slotting machine]. (April 2019, 2015, 2013, 2012, 2006, October 2014, 2013, 2003)
2. Sketch and explain the crank and slotted link mechanism of a [shaper (Or) Shaping machine].(June 2020, October 2017, 2016, 2014, 2012, 2009, 2006, 2005, 2004, 2001, April 2018,
2017, 2009)
3. Explain the feed mechanism in a shaper with a neat sketch. [October 2018, 2004, April
2016]
4. Explain the hydraulic quick return mechanism in a shaper with a sketch.(October 2020,2015, 2003)
5. Explain with a neat sketch the open and crossed belt mechanism of a planner. (April 2005, October 2019, 2011, 2006)
6. Explain a quick return mechanism in the planning machine. (April 2019, 2015, October2014)
7. Describe with a neat sketch working of horizontal broaching machine. (October 2019, 2007,
2002, April 2017)
8.Explain any three broaching operations. (Or) What are the broaching operations? Explain any two of them with a simple sketch. (June 2020, April 2016, October 2018, 2017, 2015,
2014, 2010, 2008, 2004)
9. Explain with sketches, the principle of operation of horizontal continuous broaching and rotary continuous broaching machine. (Or) Explain the continuous broaching operation.
(April 2018, 2017, 2016, 2015, 2014, 2009, 2007, 2006, 2002, October 2017, 2015, 2013)
UNIT-III Milling Machines and Gear Generating
Three Marks
1. Sketch straddle milling [October 2019]
2. Mention any four work holding devices in milling machine. [June 2020, April 2019, 2014]
3. List out the four types of milling cutter. [Octobers 2018, April 2015, 2010]
4. Name the finishing processes for unhardened gears. (Or) Name the gear finishing processes.
[Octobers 2018, 2017, 2016]
5. Mention any four milling cutters. [April 2018, 2017, 2016, 2013, October 2016, 2014]
6. What is simple indexing? [April 2018, 2009]
7. Mention the tool holding devices in milling. [October 2017, 2013, 2012, April 2009 ]
8. How are milling machines classified? [April 2017, October 2017]
9. State any two advantages of gear shaping. [April 2017, October 2014]
10.State the types of milling operations. [October 2020, 2016, 2015]
11.Define indexing and list the types. [October 2019]
12.Describe with a neat sketch, the arbour in a milling. [June 2020]
13.What are the purposes of gear grinding processes? [October 2020]
14.State the advantages of gear hobbling. [October 2019, 2018, 2009, April 2010]
15.Explain briefly spring collet. [April 2019]
16.What are the specifications of milling machine? [October 2018]
17.Write briefly about the straddle milling. [April 2018, October 2017, 2010]
18.What are the gear materials? (Or) Write short notes on gear materials. [April 2019, 2017]
19.Write briefly about the straddle milling. [April 2018]
7 & 14 Marks
Milling Machines
1.Explain any two methods of indexing with suitable diagrams. [October 2019, April 2018]
2. Explain the nomenclature of the cylindrical milling cutter. [April 2019, October 2016]
3. With sketches, briefly explain any three types of milling operations. (April 2013, 2005, 2002,October 2018, 2015, 2014, 2013, 2012, 2009, 2003)
4. With the help of the following index plates (Brown and Sharpe) and change gears index 83 divisions. [April 2017]
Index plates:
Plate No.1 = 15, 16, 17, 18, 19, 20
Plate No.1 = 21, 23, 27, 29, 31, 33
Plate No.1 = 37, 39, 41, 43, 47, 49
Change gears:
22, 24, 28, 32, 40, 44
48, 56, 64, 72, 86, 100
5. With sketches explain the constructional details of a column and knee type milling machine.(June 2020, April 2015, October 2005)
Gear Generating Processes
6.Explain the gear finishing process (a) Gear shaving (b) Gear burnishing (c) Gear grinding (d) Gear Lapping. (April 2019, 2016, 2014, 2012, 2009, 2008, 2007, 2005, 2004, 2003,
October 2020, 2019, 2018, 2015, 2012, 2009, 2008, 2007, 2006, 2005, 2004)
7. Describe the gear hobbing process with suitable sketch. (October 2017, 2013, 2011, 2010,2004, 2002, April 2018, 2017, 2016, 2015, 2007, 2005, 2003, 2002, 2000)
8. Explain the gear shaping process with neat sketch. (April 2010, 2008, 2005, October 2017, 2013, 2010)
9. Explain the various materials used for manufacturing the gear materials. (June 2020, April 2015, 2013, 2010, 2007, 2006, October 2015, 2013, 2012, 2006, 2002)
UNIT-IV Unconventional Machining Processes
Three Marks
1. What are the applications of laser machining? [June 2020]
2. Write short notes on laser beam machining (LBM) [October 2019]
3. List out three applications of ultrasonic machining. [October 2018]
4. What are the limitations of plasma arc machining? [October 2017]
5. List out the applications and limitations of electro chemical machining. [October 2017]
6. State the mechanism of metal removal in EDM. [April 2017]
7. Sketch and show the main parts of chemical machining. [April 2017, 2013]
8. Write any two advantages and applications of ultrasonic machining. [October 2015, 2011,
April 2012]
9. What are the advantages and disadvantages of electrical discharge machining? [October
2020, 2010]
10.What is the difference between Electro chemical grinding (ECG) and conventional abrasive
grinding? [October 2019]
11.Define plasma. [October 2019, 2013, 2012, April 2009]
12.Give the expansion of laser. [April 2017]
13.Expand EDM. [October 2016]
14.Give two advantages of laser machining. [April 2016, 2014]
15.Mention any two applications of electric discharge machining. [April 2013]
16.What is electro chemical machining? [October 2011]
7 & 14 Marks
1. Explain with sketch the Ultrasonic machine Process. (April 2019, 2015, 2014, 2013, 2002,October 2020, 2019, 2014, 2013)
2. Explain the construction and working of a laser beam machining with a sketch. (April 2017,2011, 2002, October 2018, 2014, 2011)
3. Explain the construction and working of plasma arc machining. (April 2018, 2014, October2015, 2012, 2010, 2009)
4. Explain with a neat sketch the electric discharge machining process. What are its advantagesand applications? (June 2020, October 2013, 2012, 2008, 2001, April 2016, 2010, 2002)
5.Explain Electro chemical grinding process. (April 2016, 2015, 2011, October 2011)
6. Write the applications, advantages and disadvantages of an electro chemical grinding (or)
Machining. (October 2017, 2016, 2011, April 2015, 2011, 2002)
Unit – 5 CNC Machine and CNC Programming
Three Marks
1. Sketch and show the parts of a re-circulating ball screw and nut. [October 2019]
2. Explain the right hand co-ordinate system. [October 2020]
3. Compare NC and CNC system. [June 2020]
4. Name any four CNC tool materials. [October 2020]
5. What are the requirements of slide ways? [April 2019, 2012, October 2016, 2014]
6. What are the uses of feedback devices in CNC? [October 2018]
7. Describe about the tool magazines. [April 2018]
8. [Compare (Or) Comparison (Or) Difference between (Or) Distinguish] NC system and CNC systems. [October 2017, 2013, 2012, 2011, 2007, 2005, April 2007]
9. Explain tool probing. [October 2017, 2015]
10.How are automatic tool changers classified? [April 2017]
11.What are the advantages and disadvantages of CNC system? [October 2017, 2009, April2012]
12.What is an encoder? [October 2019, 2014, April 2016, 2014]
13.What are the feedback devices? [April 2019, October 2016]
14.What are the types of turning centre? [October 2018, 2011, April 2013]
15.What are the advantages of CNC machines? [April 2018, 2016, 2014, October 2014, 2013,
2010]
16.What is CMM? [October 2017, 2008, April 2012]
17.What is automatic tool changer? [June 2020, October 2017, April 2014, 2013]
18.What is a tool magazine? [April 2017, 2007, October 2012]
19.Mention the types of slide ways. [October 2020, April 2016]
7 & 14 Marks
1. Explain the construction and working principle of a turning centre with neat sketch. (October2019, 2018, 2016, 2013, 2006, 2002, April 2019, 2016, 2015, 2010)
2. Explain the working of a rotary transducer and linear transducer with neat diagrams.(October 2019, 2017, 2016, 2013, 2011, April 2019, 2015, 2007)
3. Explain the various types of tool magazines used in CNC machines. [October 2018, 2017,April 2017]
4. Explain the working principle of a Automatic Tool changer (ATC) with a neat sketch. (April2018, 2015, 2014, 2011, October 2009, 2008)
5. Write briefly about machining centre axis conversion. Explain any one type of machining centre. (April 2018, 2016, 2015, 2013, 2010, October 2015, 2012, 2010, 2001)
6. With a suitable sketch, explain the types, construction and applications of co-ordinate measuring machine. (Or) Explain the different structure of co-ordinate measuring machine
(CMM) with sketches. (June 2020, October 2010, 2009, 2008, 2006, 2005, April 2017, 2008, 2002)
7. Explain the construction and working of “co-ordinate measuring machine [CMM]” with neat sketch. (October 2016, 2015, 2013, 2012, 2011, April 2013, 2006)
8. Describe various applications of CNC machine. [October 2020]
9. Explain the various tool material used for tool making. [June 2020]
