Explore topic-wise MCQs in Advanced Machining.

This section includes 17 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 regarding ECJD?“In ECJD, there is no need of room for exit of electrolyte.”

A. True
B. False
Answer» C.
2.

What are the values of tapers produced in Electrochemical jet drilling process?

A. 1 to 2 included angles
B. 5 to 10 included angles
C. 10 to 15 included angles
D. 20 to 30 included angles
Answer» C. 10 to 15 included angles
3.

What is the value of the ratio of hole diameter to capillary diameter in ECJD?

A. 2
B. 4
C. 6
D. 8
Answer» B. 4
4.

State whether the following statement is true or false regarding ECJD.“In ECJD, diameter of hole produced, depend up on the throwing power of electrolyte.”

A. True
B. False
Answer» B. False
5.

Compared to the diameter to depth ratio of ES drilling, how is ECJD’s ratio?

A. Lower
B. Higher
C. Same as ES
D. None of the mentioned
Answer» B. Higher
6.

WHAT_IS_THE_VALUE_OF_THE_RATIO_OF_HOLE_DIAMETER_TO_CAPILLARY_DIAMETER_IN_ECJD??$

A. 2
B. 4
C. 6
D. 8
Answer» B. 4
7.

What are the values of tapers produced in Electrochemical jet drilling process?$

A. 1 to 2 included angles
B. 5 to 10 included angles
C. 10 to 15 included angles
D. 20 to 30 included angles
Answer» C. 10 to 15 included angles
8.

How much part of tool needs to be in contact with work piece for removal of material?

A. Quarter
B. Half
C. Full
D. No contact
Answer» E.
9.

Compared to the diameter of the electrolyte jet, how are the produced hole diameters?

A. 2 times
B. 3 times
C. 4 times
D. 5 times
Answer» D. 5 times
10.

State whether following statement is true or false regarding ECJD.

A.
B. True
Answer» B. True
11.

The lower limit of the hole size in ECJD, is determined by which of the following factors?

A. Smallest hole
B. Pressure required
C. Amount of overcut
D. All of the mentioned
Answer» E.
12.

What are the values of voltages used in Electrochemical jet drilling process?

A. 100 to 200 V
B. 200 to 400 V
C. 400 to 800 V
D. 800 to 1600 V
Answer» D. 800 to 1600 V
13.

What is the material removal mechanism used in Electrochemical jet drilling?

A. Abrasion
B. Dissolution
C. Vaporization
D. Erosion
Answer» C. Vaporization
14.

How is the material removed in Electrochemical jet drilling process?

A. Using Platinum wire
B. Using Ti coated electrode
C. By spraying electrolyte
D. Using glass nozzle
Answer» D. Using glass nozzle
15.

Compared to the diameter to depth ratio of ES drilling, how is ECJD’s ratio?$

A. Lower
B. Higher
C. Same as ES
D. None of the mentioned
Answer» B. Higher
16.

What is the value of diameter-to-depth ratio obtained using ECJD process?

A. 1:10
B. 2:25
C. 1:12
D. 1:100
Answer» D. 1:100
17.

In advanced machining processes, what is the full form of ECJD?

A. Electrochemical Jet Dimensioning
B. Electrochemical Jet Drilling
C. Electrical Jet Drilling
D. Electrical Jet Dimensioning
Answer» C. Electrical Jet Drilling