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Test: Metal Cutting & Tool Materials - 2 - Mechanical Engineering MCQ


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10 Questions MCQ Test Topicwise Question Bank for Mechanical Engineering - Test: Metal Cutting & Tool Materials - 2

Test: Metal Cutting & Tool Materials - 2 for Mechanical Engineering 2024 is part of Topicwise Question Bank for Mechanical Engineering preparation. The Test: Metal Cutting & Tool Materials - 2 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Metal Cutting & Tool Materials - 2 MCQs are made for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Metal Cutting & Tool Materials - 2 below.
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Test: Metal Cutting & Tool Materials - 2 - Question 1

Match the List-I with List-II following:

List-II
1. Tool-change cost
2. Machining cost
3. Non-productive cost
4. Tool cost

Test: Metal Cutting & Tool Materials - 2 - Question 2

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 3

What is the variation of cutting speed with tool life on log-log scale?

Test: Metal Cutting & Tool Materials - 2 - Question 4

Match the List-1 with List-lI:

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

Test: Metal Cutting & Tool Materials - 2 - Question 5

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 6

Why does crater wear start at some distance from the tool tip?

Detailed Solution for Test: Metal Cutting & Tool Materials - 2 - Question 6

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 7

Surface obtained for circular generatix and straight line directrix would be

Test: Metal Cutting & Tool Materials - 2 - Question 8

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 for Test: Metal Cutting & Tool Materials - 2 - Question 8

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 9

Dynamometer is a device used for the measurement of

Test: Metal Cutting & Tool Materials - 2 - Question 10

The primary tool force used in calculating the total power consumption in machining is the

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