This set of Advanced Machining Processes Multiple Choice Questions & Answers (MCQs) focuses on “Non Traditional Machining”.
1. Non-Traditional machining is recommended when we need which of the following features?
a) Complex shapes
b) High surface quality
c) Low-rigidity structures
d) All of the mentioned
View Answer
Explanation: For above requirements this machining is used.
2. Non-Traditional machining can also be called as ________
a) Contact Machining
b) Non-contact machining
c) Partial contact machining
d) Half contact machining
View Answer
Explanation: Tool and work piece are at a distance apart in this type of machining.
3. In which of the following industries, Non-traditional machining methods play an important role?
a) Automobile
b) Aerospace
c) Medical
d) All of the mentioned
View Answer
Explanation: Non-traditional methods are used widely in many industries.
4. Different classifications of Non-traditional machining based on source of energy are ________
a) Mechanical
b) Thermal
c) Chemical and electro-chemical.
d) All of the mentioned
View Answer
Explanation: It can be classified into the above mentioned categories.
5. In mechanical machining, material is removed by ___________
a) Erosion
b) Corrosion
c) Abrasion
d) Vaporization
View Answer
Explanation: Abrasive grains remove material by mechanical erosion in USM.
6. Material in thermal machining is removed by which of the following means?
a) Vaporization
b) Melting
c) Electro-plating
d) All of the mentioned
View Answer
Explanation: In this machining, heat is the source of energy.
7. Which of the following process comes under mechanical machining?
a) USM
b) EDM
c) LBM
d) PAM
View Answer
Explanation: USM removes material by mechanical erosion.
8. Surface defects that may be occurred during thermal machining are ________
a) Micro cracking
b) Heat affected zones
c) Striations
d) All of the mentioned
View Answer
Explanation: During thermal machining surfaces defects occur.
9. Sources used in thermal machining are ________
a) Ions
b) Plasma
c) Electrons
d) All of the mentioned
View Answer
Explanation: Different sources are used to remove the materials accordingly.
10. Vacuum is the machining medium for ________
a) LBM
b) WJM
c) EBM
d) None of the mentioned
View Answer
Explanation: Vacuum is the medium for Laser Beam Machining and Ion Beam machining.
11. In chemical machining is material removal takes by?
a) Chemical reaction
b) Erosion
c) Electron removal
d) None of the mentioned
View Answer
Explanation: Chemical machining removes material by chemical reactions.
12. Which of the following is an example of hybrid machining?
a) Ultrasonic Machining
b) Electron Beam Machining
c) Ultrasonic assisted electrochemical machining
d) Laser Beam Machining
View Answer
Explanation: More than one phase is used to combine to form hybrid machining.
Sanfoundry Global Education & Learning Series – Advanced Machining.
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