Explore topic-wise MCQs in Advanced Machining.

This section includes 20 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.

What is the life of Tungsten carbide material nozzle?

A. 1 – 8 hrs
B. 2 – 5 hrs
C. 10 – 15 hrs
D. 25 – 40 hrs
Answer» D. 25 – 40 hrs
Discussion
2.

Which of the following values, does the diameter of the nozzle lies between?

A. 0.01 – 0.10 mm
B. 0.30 – 0.50 mm
C. 0.70 – 0.90 mm
D. 1.10 – 1.50 mm
Answer» C. 0.70 – 0.90 mm
Discussion
3.

Which of the following material/s cannot be used for making of nozzle in Abrasive jet machining?

A. Tungsten Carbide
B. Steel alloy
C. Sapphire
D. Synthetic sapphire
Answer» C. Sapphire
Discussion
4.

In the following properties of abrasive grains, which of them changes rate of material removal?

A. Size
B. Strength
C. Shape
D. All of the mentioned
Answer» E.
Discussion
5.

In the following properties of nozzle, which of them does not influence the MRR?

A. Size
B. Wear
C. Outside temperature
D. Distance from work piece
Answer» D. Distance from work piece
Discussion
6.

WHICH_OF_THE_FOLLOWING_MATERIAL/S_CANNOT_BE_USED_FOR_MAKING_OF_NOZZLE_IN_ABRASIVE_JET_MACHINING??$

A. Tungsten Carbide
B. Steel alloy
C. Sapphire
D. Synthetic sapphire
Answer» C. Sapphire
Discussion
7.

What is the life of Tungsten carbide material nozzle?$

A. 1 – 8 hrs
B. 2 – 5 hrs
C. 10 – 15 hrs
D. 25 – 40 hrs
Answer» D. 25 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 40 hrs
Discussion
8.

Between which of the following values, does the diameter of the nozzle lies?$

A. 0.01 – 0.10 mm
B. 0.30 – 0.50 mm
C. 0.70 – 0.90 mm
D. 1.10 – 1.50 mm
Answer» C. 0.70 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 0.90 mm
Discussion
9.

In AJM, surface roughness value will vary between which values?

A. 0.01 – 0.10 µm
B. 0.15 – 1.5 µm
C. 2.0 – 5.0 µm
D. 7.0 – 10.0 µm
Answer» C. 2.0 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 5.0 ¬¨¬®¬¨¬µm
Discussion
10.

What are the tolerance limit values in Abrasive water jet machining?

A. ± 0.01 mm
B. ± 0.03 mm
C. ± 0.05 mm
D. ± 0.07 mm
Answer» D. ¬¨¬®¬¨¬± 0.07 mm
Discussion
11.

In AJM, what is the life of synthetic sapphire material nozzle?

A. 100 hrs
B. 300 hrs
C. 500 hrs
D. 700 hrs
Answer» C. 500 hrs
Discussion
12.

What is the value of carrier gas flow rate in Abrasive jet machining?

A. 6 L/min
B. 17 L/min
C. 28 L/min
D. 39 L/min
Answer» D. 39 L/min
Discussion
13.

What must be the velocity of the carrier gas that carries the abrasive particles?

A. 10 – 50 m/sec
B. 50 – 150 m/sec
C. 150 –300 m/sec
D. 300 – 500 m/sec
Answer» D. 300 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 500 m/sec
Discussion
14.

What is the value of abrasive grain flow rate in Abrasive jet machining?

A. 0.1 – 2 g/min
B. 3 – 20 g/min
C. 30 – 56 g/min
D. 68 – 85 g/min
Answer» C. 30 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 56 g/min
Discussion
15.

As the abrasive flow rate increases, what happens to the volumetric removal rate?

A. Increases
B. Decreases
C. Increase and then decrease
D. Decrease and then increase
Answer» D. Decrease and then increase
Discussion
16.

Of the following properties of abrasive grains, which of them changes rate of material removal?

A. Size
B. Strength
C. Shape
D. All of the mentioned
Answer» E.
Discussion
17.

Of the following properties of nozzle, which of them does not influence the MRR?

A. Size
B. Wear
C. Outside temperature
D. Distance from work piece
Answer» D. Distance from work piece
Discussion
18.

Which of the following components, influence the material removal rate in Abrasive jet machining?

A. Nozzle
B. Carrier gas
C. Abrasive grains
D. All of the mentioned
Answer» E.
Discussion
19.

In AJM, abrasive jet from the nozzle follows, which type of path for a short distance?

A. Parallel
B. Inclined
C. Perpendicular
D. None of the mentioned
Answer» B. Inclined
Discussion
20.

In AJM, what is the mechanism of removal of material from the work piece?

A. Corrosion
B. Abrasion
C. Electron transfer
D. Vaporization
Answer» C. Electron transfer
Discussion