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Previous year question hub

Machining and Machine Tool Operations - Materials, Manufacturing and Industrial Engineering - Mechanical Engineering Previous Year Questions

Practice Machining and Machine Tool Operations - Materials, Manufacturing and Industrial Engineering - Mechanical Engineering previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

27Papers
16Years
97Questions
1Topics

Machining and Machine Tool Operations question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Machining and Machine Tool Operations. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 50 51.5%
Medium 46 47.4%
Hard 1 1%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

MCQ 64 66%
Numerical Answer Type (NAT) 31 32%
MSQ 1 1%
Fill in the blanks 1 1%

Subject weightage

Top subjects by unique question coverage.

Mechanical Engineering
97 Qs

Most asked topics

Top topics across the included previous year papers.

Materials, Manufacturing and Industrial Engineering
97 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Machining and Machine Tool Operations
97 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

Mechanical Engineering (ME) 2026
3 Qs
Mechanical Engineering (ME) 2025
2 Qs
Mechanical Engineering (ME) 2024
3 Qs
Mechanical Engineering (ME) 2021 [Session 1]
4 Qs
Mechanical Engineering (ME) 2020 [Session 2]
4 Qs
Mechanical Engineering (ME) 2020 [Session 1]
3 Qs
Mechanical Engineering (ME) 2019 [Session 1]
4 Qs
Mechanical Engineering (ME) 2019 [Session 2]
3 Qs
Mechanical Engineering (ME) 2018 [Session 2]
6 Qs
Mechanical Engineering (ME) 2018 [Session 1]
4 Qs
Mechanical Engineering (ME) 2016 [Session 3]
4 Qs
Mechanical Engineering (ME) 2016 [Session 1]
2 Qs
Mechanical Engineering (ME) 2016 [Session 2]
2 Qs
Mechanical Engineering (ME) 2015 [Session 3]
1 Qs
Mechanical Engineering (ME) 2014 [Session 3]
5 Qs
Mechanical Engineering (ME) 2014 [Session 1]
3 Qs
Mechanical Engineering (ME) 2014 [Session 2]
3 Qs
Mechanical Engineering (ME) 2014 [Session 4]
3 Qs
Mechanical Engineering (ME) 2013 [Session 1]
5 Qs
Mechanical Engineering (ME) 2013 [Session 2]
5 Qs
Mechanical Engineering (ME) 2013 [Session 3]
5 Qs
Mechanical Engineering (ME) 2013 [Session 4]
4 Qs
Mechanical Engineering (ME) 2011
1 Qs
Mechanical Engineering (ME) 2010
2 Qs
Mechanical Engineering (ME) 2009
5 Qs
Mechanical Engineering (ME) 2008
6 Qs
Mechanical Engineering (ME) 2007
5 Qs

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
Mechanical Engineering (ME) 202620263View paper
Mechanical Engineering (ME) 202520252View paper
Mechanical Engineering (ME) 202420243View paper
Mechanical Engineering (ME) 2021 [Session 1]20214View paper
Mechanical Engineering (ME) 2020 [Session 1]20203View paper
Mechanical Engineering (ME) 2020 [Session 2]20204View paper
Mechanical Engineering (ME) 2019 [Session 1]20194View paper
Mechanical Engineering (ME) 2019 [Session 2]20193View paper
Mechanical Engineering (ME) 2018 [Session 1]20184View paper
Mechanical Engineering (ME) 2018 [Session 2]20186View paper
Mechanical Engineering (ME) 2016 [Session 1]20162View paper
Mechanical Engineering (ME) 2016 [Session 2]20162View paper
Mechanical Engineering (ME) 2016 [Session 3]20164View paper
Mechanical Engineering (ME) 2015 [Session 3]20151View paper
Mechanical Engineering (ME) 2014 [Session 1]20143View paper
Mechanical Engineering (ME) 2014 [Session 2]20143View paper
Mechanical Engineering (ME) 2014 [Session 3]20145View paper
Mechanical Engineering (ME) 2014 [Session 4]20143View paper
Mechanical Engineering (ME) 2013 [Session 1]20135View paper
Mechanical Engineering (ME) 2013 [Session 2]20135View paper
Mechanical Engineering (ME) 2013 [Session 3]20135View paper
Mechanical Engineering (ME) 2013 [Session 4]20134View paper
Mechanical Engineering (ME) 201120111View paper
Mechanical Engineering (ME) 201020102View paper
Mechanical Engineering (ME) 200920095View paper
Mechanical Engineering (ME) 200820086View paper
Mechanical Engineering (ME) 200720075View paper

All Machining and Machine Tool Operations previous year questions

Practice every matching question in batches of 20, with every available option.

1
2007 · Mechanical Engineering · Materials, Manufacturing and Industrial Engineering · Machining and Machine Tool Operations
Mechanical Engineering (ME) 2007

In orthogonal turning of a low carbon steel bar of diameter 150 mm with uncoated carbide tool, the cutting velocity is 90 m/min. The feed is 0.24 mm/rev and the depth of cut is 2 mm. The chip thickness obtained is 0.48 mm. If the orthogonal rake angle is zero and the principal cutting edge angle is 90°, the shear angle in degree is

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2
2007 · Mechanical Engineering · Materials, Manufacturing and Industrial Engineering · Machining and Machine Tool Operations
Mechanical Engineering (ME) 2007

In electrodischarge machining (EDM), if the thermal conductivity of tool is high and the specific heat of work piece is low, then the tool wear rate and material removal rate are expected to be respectively

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3
2007 · Mechanical Engineering · Materials, Manufacturing and Industrial Engineering · Machining and Machine Tool Operations
Mechanical Engineering (ME) 2007
In orthogonal turning of medium carbon steel, the specific machining energy is 2.0 J/mm³. The cutting velocity, feed and depth of cut are 120 m/min, 0.2 mm/rev and 2 mm respectively. The main cutting force in N is
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4
2007 · Mechanical Engineering · Materials, Manufacturing and Industrial Engineering · Machining and Machine Tool Operations
Mechanical Engineering (ME) 2007
When tool life is 20 min, the cutting velocity in m/min is
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5
2007 · Mechanical Engineering · Materials, Manufacturing and Industrial Engineering · Machining and Machine Tool Operations
Mechanical Engineering (ME) 2007

Neglect over-travel or approach of the tool. When tool life is 20 min, the machining time in min for a single pass is

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6
2008 · Mechanical Engineering · Materials, Manufacturing and Industrial Engineering · Machining and Machine Tool Operations
Mechanical Engineering (ME) 2008

Internal gear cutting operation can be performed by

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7
2008 · Mechanical Engineering · Materials, Manufacturing and Industrial Engineering · Machining and Machine Tool Operations
Mechanical Engineering (ME) 2008
In a single point turning tool, the side rake angle and orthogonal rake angle are equal. \( \phi \) is the principal cutting edge angle and its range is \( 0^\circ \le \phi \le 90^\circ \). The chip flows in the orthogonal plane. The value of \( \phi \) is closest to
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8
2008 · Mechanical Engineering · Materials, Manufacturing and Industrial Engineering · Machining and Machine Tool Operations
Mechanical Engineering (ME) 2008
A researcher conducts electrochemical machining (ECM) on a binary alloy (density 6000 kg/m³) of iron (atomic weight 56, valency 2) and metal P (atomic weight 24, valency 4). Faraday's constant = 96500 coulomb/mole. Volumetric material removal rate of the alloy is 50 mm³/s at a current of 2000 A. The percentage of the metal P in the alloy is closest to
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9
2008 · Mechanical Engineering · Materials, Manufacturing and Industrial Engineering · Machining and Machine Tool Operations
Mechanical Engineering (ME) 2008
The figure shows an incomplete schematic of a conventional lathe to be used for cutting threads with different pitches. The speed gear box \( U_v \) is shown and the feed gear box \( U_s \) is to be placed. P, Q, R and S denote locations and have no other significance. Changes in \( U_v \) should NOT affect the pitch of the thread being cut and changes in \( U_s \) should NOT affect the cutting speed.
The correct connections and the correct placement of \( U_s \) are given by
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10
2008 · Mechanical Engineering · Materials, Manufacturing and Industrial Engineering · Machining and Machine Tool Operations
Mechanical Engineering (ME) 2008
The shear plane angle (in degrees) and the shear force respectively are
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11
2008 · Mechanical Engineering · Materials, Manufacturing and Industrial Engineering · Machining and Machine Tool Operations
Mechanical Engineering (ME) 2008
The cutting and frictional forces, respectively, are
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12
2009 · Mechanical Engineering · Materials, Manufacturing and Industrial Engineering · Machining and Machine Tool Operations
Mechanical Engineering (ME) 2009

Friction at the tool-chip interface can be reduced by

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13
2009 · Mechanical Engineering · Materials, Manufacturing and Industrial Engineering · Machining and Machine Tool Operations
Mechanical Engineering (ME) 2009

Minimum shear strain in orthogonal turning with a cutting tool of zero rake angle is

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14
2009 · Mechanical Engineering · Materials, Manufacturing and Industrial Engineering · Machining and Machine Tool Operations
Mechanical Engineering (ME) 2009
Electrochemical machining is performed to remove material from an iron surface of 20 mm × 20 mm under the following conditions:
Inter electrode gap= 0.2 mm
Supply voltage (DC)= 12 V
Specific resistance of electrolyte= 2 Ω cm
Atomic weight of Iron= 55.85
Valency of Iron= 2
Faraday’s constant= 96540 Coulombs

The material removal rate (in g/s) is
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15
2009 · Mechanical Engineering · Materials, Manufacturing and Industrial Engineering · Machining and Machine Tool Operations
Mechanical Engineering (ME) 2009
The exponent (n) and constant (k) of the Taylor’s tool life equation are
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16
2009 · Mechanical Engineering · Materials, Manufacturing and Industrial Engineering · Machining and Machine Tool Operations
Mechanical Engineering (ME) 2009

What is the percentage increase in tool life when the cutting speed is halved?

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17
2010 · Mechanical Engineering · Materials, Manufacturing and Industrial Engineering · Machining and Machine Tool Operations
Mechanical Engineering (ME) 2010
For tool A, Taylor's tool life exponent (n) is 0.45 and constant (K) is 90. Similarly for tool B, n = 0.3 and K = 60. The cutting speed (in m/min) above which tool A will have a higher tool life than tool B is
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18
2010 · Mechanical Engineering · Materials, Manufacturing and Industrial Engineering · Machining and Machine Tool Operations
Mechanical Engineering (ME) 2010

A shear of 20 mm (S = 20 mm) is now provided on the blade. Assuming force vs displacement curve to be trapezoidal, the maximum force (in kN) exerted is

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19
2011 · Mechanical Engineering · Materials, Manufacturing and Industrial Engineering · Machining and Machine Tool Operations
Mechanical Engineering (ME) 2011

A single-point cutting tool with 12° rake angle is used to machine a steel work-piece. The depth of cut, i.e. uncut thickness is 0.81 mm. The chip thickness under orthogonal machining condition is 1.8 mm. The shear angle is approximately

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20
2013 · Mechanical Engineering · Materials, Manufacturing and Industrial Engineering · Machining and Machine Tool Operations
Mechanical Engineering (ME) 2013 [Session 1]
A steel bar 200 mm in diameter is turned at a feed of 0.25 mm/rev with a depth of cut of 4 mm. The rotational speed of the workpiece is 160 rpm. The material removal rate in mm³/s is
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Showing 20 of 87 questions