Explore topic-wise MCQs in Advanced Machining.

This section includes 19 Mcqs, each offering curated multiple-choice questions to sharpen your Advanced Machining knowledge and support exam preparation. Choose a topic below to get started.

1.

State whether the following statement is true or false about Chemical milling.“CHM can also affect mechanical properties, if they differ from surface layer to base metal.”

A. True
B. False
Answer» B. False
Discussion
2.

Which of the following can be easily removed using Chemical milling process?

A. TiO2 layer
B. Decarburized layer
C. Recast structure
D. All of the mentioned
Answer» E.
Discussion
3.

What is the value of surface roughness, when special conditions are applied?

A. 0.001 – 0.025 µm
B. 0.025 – 0.05 µm
C. 0.05 – 0.075 µm
D. 0.075 – 0.1 µm
Answer» C. 0.05 – 0.075 µm
Discussion
4.

What is the value of surface roughness, which is generally obtained using Chemical milling?

A. 0.01 – 0.08 µm
B. 0.1 – 0.8 µm
C. 1 – 8 µm
D. 10 – 80 µm
Answer» C. 1 – 8 µm
Discussion
5.

The depth of cut tolerances increases when machining ____________ depths at high machining rates.

A. Very smaller
B. Smaller
C. Medium
D. Larger
Answer» E.
Discussion
6.

State whether the following statement is true or false regarding surface finish in CHM.“The surfaces, which are machined using Chemical milling, will have regular lay pattern.”

A. True
B. False
Answer» C.
Discussion
7.

WHAT_IS_THE_VALUE_OF_SURFACE_ROUGHNESS,_WHICH_IS_GENERALLY_OBTAINED_USING_CHEMICAL_MILLING??$

A. 0.01 – 0.08 µm
B. 0.1 – 0.8 µm
C. 1 – 8 µm
D. 10 – 80 µm
Answer» C. 1 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 8 ¬¨¬®¬¨¬µm
Discussion
8.

Which of the following can be easily removed using Chemical milling process?$

A. TiO<sub>2</sub> layer
B. Decarburized layer
C. Recast structure
D. All of the mentioned
Answer» E.
Discussion
9.

What is the value of surface roughness, when special conditions are applied?$

A. 0.001 – 0.025 µm
B. 0.025 – 0.05 µm
C. 0.05 – 0.075 µm
D. 0.075 – 0.1 µm
Answer» C. 0.05 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 0.075 ¬¨¬®¬¨¬µm
Discussion
10.

State whether following statement is true or false about Chemical milling.

A.
B. True
Answer» B. True
Discussion
11.

For what value of machining depths, surface roughness sharply increases with depth of cut?

A. <100 µm
B. <200 µm
C. <300 µm
D. <400 µm
Answer» C. <300 ¬¨¬®¬¨¬µm
Discussion
12.

What are the tolerance values achieved in Chemical milling, which depend on work piece material and depth of cut?

A. ± 10%
B. ± 20%
C. ± 30%
D. ± 40%
Answer» B. ¬¨¬®¬¨¬± 20%
Discussion
13.

What is the value of etching rate, which can be achieved using Chemical milling?

A. 0.001 mm/min
B. 0.025 mm/min
C. 0.050 mm/min
D. 0.075 mm/min
Answer» D. 0.075 mm/min
Discussion
14.

The depth of cut tolerances increases when machining ____ depths at high machining rates?

A. Very smaller
B. Smaller
C. Medium
D. Larger
Answer» E.
Discussion
15.

Which type of etching rate, mentioned below, produces low surface roughness?

A. Very low
B. Low
C. Medium
D. High
Answer» E.
Discussion
16.

Which of the following defects cannot be altered or eliminated using CHM?

A. Waviness
B. Surface imperfections
C. Scratches
D. Dents
Answer» C. Scratches
Discussion
17.

State whether following statement is true or false regarding surface finish in CHM.

A.
B. True
Answer» C.
Discussion
18.

Which of the following are the factors, on which, surface finish depends?

A. Grain size
B. Heat treatment
C. Induced stresses
D. All of the mentioned
Answer» E.
Discussion
19.

Which of the following are necessary for best surface quality in Chemical milling?

A. Fine grain size and homogenous metallurgy
B. Coarse grain size and heterogeneous metallurgy
C. Fine grain size and heterogeneous metallurgy
D. Coarse grain size and homogenous metallurgy
Answer» B. Coarse grain size and heterogeneous metallurgy
Discussion