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Mechanical Engineering Exam  >  Mechanical Engineering Test  >  Topicwise Question Bank  >  Test: Metal Cutting & Tool Materials - 2 - Mechanical Engineering MCQ

Metal Cutting & Tool Materials - 2 - Free MCQ Practice Test with solutions,


MCQ Practice Test & Solutions: Test: Metal Cutting & Tool Materials - 2 (10 Questions)

You can prepare effectively for Mechanical Engineering Topicwise Question Bank for Mechanical Engineering with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Metal Cutting & Tool Materials - 2". These 10 questions have been designed by the experts with the latest curriculum of Mechanical Engineering 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 30 minutes
  • - Number of Questions: 10

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Test: Metal Cutting & Tool Materials - 2 - Question 1
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Consider the following actions:
1. Mechanical abrasion
2. Diffusion
3. Plastic deformation
4. Oxidation

Which of the above are the causes of tool wear?

Test: Metal Cutting & Tool Materials - 2 - Question 2
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What is the variation of cutting speed with tool life on log-log scale?

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Test: Metal Cutting & Tool Materials - 2 - Question 3
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Match the List-1 with List-lI:

List-II
1. Cast alloy
2. Ceramic
3. Carbide
4. Ideal material tools
5. HSS

Detailed Solution: Question 3

Option C is correct.

V Tn = C is the tool-life relation (Taylor's equation) where V is cutting speed, T is tool life and n is the exponent.

Taking logarithms gives log V = -n log T + log C, so on a log-log plot each tool material appears as a straight line with slope -n and intercept log C.

For a given tool life, a line with larger intercept (log C) indicates the material can sustain a higher cutting speed. Thus lines positioned to the right (higher cutting-speed capability at a given life) correspond to better tool materials.

Typical ordering of cutting-speed capability is Ideal material > Ceramic > Carbide > HSS (cast alloy is poorer than HSS and is not represented among the four curves).

Therefore the rightmost curve A corresponds to Ideal material (4), the next B to Ceramic (2), next C to Carbide (3), and the leftmost D to HSS (5). Hence (A,B,C,D) = 4, 2, 3, 5, which matches Option C.

Answer: C.

Test: Metal Cutting & Tool Materials - 2 - Question 4
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In idealized chip formation, built up edge will break off and remove some of the cutting tool materials, thereby reducing tool life. Which of the following steps prevent built up edge?
1. Increasing cutting speed
2. Increasing feed rate
3. Increasing ambient work-piece temperature
4. Decreasing rake angle
5. Reducing friction
Select the correct answer using the code given below:

Test: Metal Cutting & Tool Materials - 2 - Question 5
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Why does crater wear start at some distance from the tool tip?

Detailed Solution: Question 5

Diffusion play an important role in the development of crater wear at a high speed because temperature in the rake face is much higher than that in the flank surface.

Test: Metal Cutting & Tool Materials - 2 - Question 6
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Surface obtained for circular generatix and straight line directrix would be

Test: Metal Cutting & Tool Materials - 2 - Question 7
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Which of the following indicate better machinability?
1. Smaller shear angle
2. Higher cutting forces
3. Longer tool life
4. Better surface finish

Detailed Solution: Question 7

Factors which come into play while evaluating the machinability of any metal are:
1. Tool life
2. Form and size of chip and shear angle
3. Cutting forces and power consumption
4. Surface finish
5. Cutting temperature
6. Rate of metal removal per tool grind
7. Rate of cutting under the standard force
8. Uniformity in dimensional accuracy of successive parts

Test: Metal Cutting & Tool Materials - 2 - Question 8
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Dynamometer is a device used for the measurement of

Test: Metal Cutting & Tool Materials - 2 - Question 9
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The primary tool force used in calculating the total power consumption in machining is the

Test: Metal Cutting & Tool Materials - 2 - Question 10
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_________is a process where small pieces from the tool rake face material are adhered to the flowing chip and thus removed from the surface.

Detailed Solution: Question 10

Crater wear is a process where small pieces from the tool's rake face material are removed by adhering to the flowing chip.

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About this Mechanical Engineering Practice Test

This test contains 10 MCQs on Metal Cutting & Tool Materials - 2 with detailed solutions for each question. It is part of the Topicwise Question Bank for Mechanical Engineering course on EduRev, designed to align with the current Mechanical Engineering syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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