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Test: Unconventional Machining Process - 3 - Mechanical Engineering MCQ


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10 Questions MCQ Test Topicwise Question Bank for Mechanical Engineering - Test: Unconventional Machining Process - 3

Test: Unconventional Machining Process - 3 for Mechanical Engineering 2024 is part of Topicwise Question Bank for Mechanical Engineering preparation. The Test: Unconventional Machining Process - 3 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Unconventional Machining Process - 3 MCQs are made for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Unconventional Machining Process - 3 below.
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Test: Unconventional Machining Process - 3 - Question 1

The velocity of electrons in electron beam machining is

Test: Unconventional Machining Process - 3 - Question 2

Which one of the following machining process has contact between tool and work?

Detailed Solution for Test: Unconventional Machining Process - 3 - Question 2

In USM (Ultrasonic machining) some kind of abrasive slurry is used and there is hammering action between tool and workpiece.

Test: Unconventional Machining Process - 3 - Question 3

During ultrasonic machining, the metal removal is achieved by

Test: Unconventional Machining Process - 3 - Question 4

The process in which the material removal rate is governed by Faraday law is

Detailed Solution for Test: Unconventional Machining Process - 3 - Question 4

In an electrolytic cell (ECM cell) material removal rate is governed by Faraday's law of electrolysis.

Test: Unconventional Machining Process - 3 - Question 5

The machining process in Which the work piece is dissolved into an electrolyte solution is called

Detailed Solution for Test: Unconventional Machining Process - 3 - Question 5

In Electrochemical Machining (ECM) material removal rate is governed by faraday law and according to this law Mass of metal removal α q (charge)
w ∝ It
w = ZIt
Where,
Z = Electrochemical equivalent

Test: Unconventional Machining Process - 3 - Question 6

In electro-discharge machining (EDM) the tool material is made of

Test: Unconventional Machining Process - 3 - Question 7

Electrolyte used for fine hole drilling by electrochemical machining is

Test: Unconventional Machining Process - 3 - Question 8

The cutting portion of a drill is to.be welded to its shank. The processes best suited for this is

Test: Unconventional Machining Process - 3 - Question 9

Which one of the following process conditions leads to higher MRR in ECM process?

Detailed Solution for Test: Unconventional Machining Process - 3 - Question 9

In electrochemical machining (ECM) electrolyte (example NaCl or NaCIO is used).
In electrode discharge machining (ECM) dielectric (Kerosene) is used.
In ultrasonic machining abrasive slurry is used.
In electron beam machining (EBM) vacuum Is maintained to have proper kinetic energy of electron beam. 

Test: Unconventional Machining Process - 3 - Question 10

Which statement is true for EDM?
1. MRR increases with decreasing resistance.
2. MRR increases with decreasing capacitance.
3. MRR increases with increasing capacitance.
4. MRR increases with optimum spark gap then decreases with increasing spark gap.

Detailed Solution for Test: Unconventional Machining Process - 3 - Question 10


Hence for higher MRR higher current and higher atomic weight is required. 

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