Past Year Questions: Finishing Process Mechanical Engineering Notes | EduRev

Manufacturing and Industrial Engineering

Mechanical Engineering : Past Year Questions: Finishing Process Mechanical Engineering Notes | EduRev

The document Past Year Questions: Finishing Process Mechanical Engineering Notes | EduRev is a part of the Mechanical Engineering Course Manufacturing and Industrial Engineering.
All you need of Mechanical Engineering at this link: Mechanical Engineering

Question 1:The cutting portion of a drill is to be welded to its shank. The process best suited for this is

[PI 2004]

Question 2:The purpose of helical grooves in a twist drill is to
1. Improve the stiffness
2. Save a tool material
3. Provide space for chip removal
4. Provide rake angle for the cutting edge

Select the correct answer suing the codes given below:

[PI 2003]

Question 3:The flanks of teeth of rack-type gear cutter used for cutting involute gear profiles are

Question 4: The drawing shows a machined shaft. The purpose of providing rounded grooves at M and N is to

Past Year Questions: Finishing Process Mechanical Engineering Notes | EduRev

[PI 2003]

Question 5:Which one of the following is not a synthetic abrasive material?

[PI 2003]

Question 6:In whitworth quick return mechanism (used in shapers) the velocity of the ram is maximum at

[PI 2001]

Question 7:Assertion (A): Grinding needs higher specific cutting energy than milling.
Reason (R): Milling cutter material is harder than abrasive grains.

[PI 1993]

Question 8:In metal cutting with a carbide tool, at the maximum recommended speed, the largest % of heat generated goes to be

[PI 1992]

Question 9:A blind hole is better tapped with a tap having

[PI 1992]

Question 10:The teeth of both external and internal spur gears can be cut of

[PI 1991]

Question 11:Reamer is designed to have even number of flutes to

[PI 1990]

Question 12:In turning operation the surface finish can be improved by decreasing

[PI 1989]

Question 13:Abrasives are not used in

[PI 1989]

Question 14:A grinding ratio of 200 implies that the

[ME 2018,Set-1]

Question 15:Using the Taylor's tool life equation with exponent n = 0.5, if the cutting speed is reduced by 50%, the ratio of new tool life to original tool life is

[ME 2018,Set-1]

Question 16:During the turning of a 20 mm diameter steel bar at a spindle speed of 400 rpm, a tool life of 20 minute is obtained. When the same bar is turned at 200 rpm, the tool life becomes 60 minute. Assume that Taylor's tool life equation is valid. When the bar is turned at 300 rpm, the tool life (in minute) is approximately ____ .

[ME 2017,Set-2]

Question 17:For an orthogonal cutting operation, tool material is HSS, rake angle is 22°, chip thickness is 0.8 mm, speed is 48 m/min and feed is 0.4 mm/rev. The shear plane angle (in degrees) is

[ME 2016,Set-3]

Question 18:The tool life equation for HSS tool is VT0.14f0.7d0.4 = Constant. The tool life (T) of 30 min is obtained using the following cutting conditions: V = 45 m/min, f = 0.35 mm, d = 2.0mm. If speed (V), feed (f) and depth of cut (d) are increased individually by 25%, the tool life (in min) is

[ME 2016,Set-1]

Question 19:A shaft of length 90 mm has a tapered portion of length 55 mm. The diameter of the taper is 80 mm at one end and 65 mm at the other. If the taper is made by tailstock set over method, the taper angle and the set over respectively are

[ME 2015,Set-3]

Question 20:Orthogonal turning of a mild steel tube with a tool of rake angle 10° carried out at a feed of 0.14 mm/rev. If the thickness of the chip produced is 0.28 mm, the values of shear angle and shear strain will be respectively

[ME 2015,Set-3]

Question 21:In a machining operation, if the generatrix and directrix both are straight lines, the surface obtained is

[ME 2015,Set-3]

Question 22:Which pair of following statements is correct for orthogonal cutting using a single-point cutting tool?
P. Reduction in friction angle increases cutting force
Q. Reduction in friction angle decreases cutting force
R. Reduction in friction angle increases chip thickness
S. Reduction in friction angle decreases chip thickness

[ME 2014,Set-3]

Question 23:Internal gear cutting operation can be performed by

[ME 2008]

Question 24:Strong screw threads are produced by

[ME 2003]

Question 25:Trepanning is performed for

[ME 2003]

Question 26:In small lot production for machining T-slots on machine tables, it is expected to use

[ME 1990]

Question 27:Minimum dimensional and form accuracy can be obtained in the cylinder bores of automobile engines if the bores are finished by

[ME 1989]

Question 28:Teeth of internal spur gears can be accurately cut in a

[ME 1989]

Question 29:Gear hobbing produces more accurate gears than milling because in hobbing

[ME 1989]


Offer running on EduRev: Apply code STAYHOME200 to get INR 200 off on our premium plan EduRev Infinity!

Related Searches

shortcuts and tricks

,

MCQs

,

Objective type Questions

,

Previous Year Questions with Solutions

,

ppt

,

Extra Questions

,

Semester Notes

,

Important questions

,

past year papers

,

practice quizzes

,

Past Year Questions: Finishing Process Mechanical Engineering Notes | EduRev

,

Exam

,

mock tests for examination

,

Free

,

Summary

,

pdf

,

Sample Paper

,

video lectures

,

Past Year Questions: Finishing Process Mechanical Engineering Notes | EduRev

,

Viva Questions

,

Past Year Questions: Finishing Process Mechanical Engineering Notes | EduRev

,

study material

;