Advanced Machining Processes Mcqs

Q:

Compared to conventional mechanical buffing Electro chemical buffing is a __________

A) Slower process B) Faster process
C) Same speed process D) None of the mentioned
 
Answer & Explanation Answer: B) Faster process

Explanation: Electro chemical buffing process is a faster machining process when compared to the conventional mechanical buffing.

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57
Q:

What is the full form of ECB in the advanced machining processes?

A) Electro chemical buffing B) Electro chemical blasting
C) Electron cluster blasting D) Electron cluster briefing
 
Answer & Explanation Answer: A) Electro chemical buffing

Explanation: The full form of ECB is Electro chemical buffing in the advanced machining processes.

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55
Q:

Rise in different parameters related to the MS and ECD lead to ___________ material removal rates.

A) Increase in B) Decrease in
C) Normal D) All of the mentioned
 
Answer & Explanation Answer: A) Increase in

Explanation: A rise in the scrubbing speed, voltage, and duty cycle would lead to an increase in MRR.

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50
Q:

High electro chemical dissolutions occur at which type of current densities?

A) Very Low B) Low
C) Moderate D) High
 
Answer & Explanation Answer: D) High

Explanation: High electro chemical dissolutions occur at high current densities in the process of Electro chemical superfinishing.

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48
Q:

Which of the following affect the process performance of Mechanical scrubbing?

A) Stone pressure B) Oscillating frequency
C) Amplitude D) All of the mentioned
 
Answer & Explanation Answer: D) All of the mentioned

Explanation: Stone pressure, oscillating frequency and amplitude affect the mechanical scrubbing in the process of Electro chemical superfinishing.

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47
Q:

Which of the following are the process variables related to ECS?

A) Gap voltage B) Electrolyte type
C) Concentration D) All of the mentioned
 
Answer & Explanation Answer: D) All of the mentioned

Explanation: Gap voltage, electrolyte type, concentration and temperature are some of the variable related to Electro chemical superfinishing.

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53
Q:

What are the values of roundness and straightness obtained from machining using ECS?

A) 0.001 mm B) 0.003 mm
C) 0.007 mm D) 0.013 mm
 
Answer & Explanation Answer: C) 0.007 mm

Explanation: The values of roundness and straightness obtained from machining by Electro chemical superfinishing process is about 0.007 mm.

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46
Q:

What are the tolerance values obtained in the ECS process?

A) ± 0.003 mm B) ± 0.013 mm
C) ± 0.023 mm D) ± 0.033 mm
 
Answer & Explanation Answer: B) ± 0.013 mm

Explanation: The tolerance values obtained in the Electro chemical superfinishing process are about ± 0.013 mm on the diameter.

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