mnf quiz

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quiz on mnf science

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Manufacturing Science lab (EME553)Roll No.-3rd Year Section: 1. During orthogonal cutting, an increase in cutting speed causes(a) An increase in longitudinal cutting force(b) An increase in radial cutting force(c) An increase in tangential cutting force(d) Cutting forces to remain unaffected

2. The angle between the face and the flank of the single point cutting tool is known asa) Rake angleb) Clearance anglec) Lip angled) Point angle.3. In Oxyacetylene gas welding, temperature at the inner core of the flame is around(a) 3500C(b) 3200C(c) 2900C(d) 2550C

4. The ratio between Oxygen and Acetylene gases for neutral flame in gas welding is(a) 2 : 1 (b) 1 : 2(c) 1 : 1 (d) 4 : 1

5. By which one of the following methods gray cast iron is usually welded?(a) TIG welding (b) MIG welding(c) Gas welding (d) Arc welding

6. Which of the following powders should be fed for effective oxyfuel cutting of stainless steel?(a) Steel(b) Aluminum(c) Copper(d) Ceramic

7. Consider the following statements about nose radius1. It improves tool life2. It reduces the cutting force3. It improves the surface finish.Select the correct answer using the codes given below:(a) 1 and 2 (b) 2 and 3(c) 1 and 3 (d) 1, 2 and 3

8. Plain milling of mild steel plate produces(a) Irregular shaped discontinuous chips(b) Regular shaped discontinuous chip(c) Continuous chips without built up edge(d) Joined chips

9. In ASA System, if the tool nomenclature is 865510152mm, then the side rake angle will be(a) 5 (b) 6 (c) 8 (d) 10

10. Tool life increase with increase in(a) Cutting speed(b) Nose radius(c) Feed(d) Depth of cut

_ _ _ _ _ _ _ __ _ _ _ _ _ _ _Signature of Internal examinerSignature of external examiner