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.

Higher material removal rates are associated with _________ feed rates and _________ tool diameters.

A. Larger, smaller
B. Smaller, larger
C. Smaller, smaller
D. Larger, larger
Answer» E.
2.

What are the values of feed rates used in ES drilling process?

A. 0.01 to 0.5 mm/min
B. 0.75 to 2.5 mm/min
C. 3 to 4.5 mm/min
D. 5 to 7.5 mm/min
Answer» C. 3 to 4.5 mm/min
3.

What are the values of voltages used in ES drilling process?

A. 10 to 40 V
B. 40 to 70 V
C. 70 to 150 V
D. 150 to 300 V
Answer» D. 150 to 300 V
4.

Which of the following parameters must be carefully monitored for satisfactory machining?

A. Acid temperature
B. Pressure
C. Concentration
D. All of the mentioned
Answer» E.
5.

State whether the following statement is true or false regarding ES drilling.“In ES drilling, hydrochloric acid is used for machining aluminium and its alloys.”

A. True
B. False
Answer» B. False
6.

WHICH_OF_THE_FOLLOWING_PARAMETERS_MUST_BE_CAREFULLY_MONITORED_FOR_SATISFACTORY_MACHINING??$

A. Acid temperature
B. Pressure
C. Concentration
D. All of the mentioned
Answer» E.
7.

What are the values of feed rates used in ES drilling process?$

A. 0.01 to 0.5 mm/min
B. 0.75 to 2.5 mm/min
C. 3 to 4.5 mm/min
D. 5 to 7.5 mm/min
Answer» C. 3 to 4.5 mm/min
8.

What are the values of voltages used in ES drilling process?$

A. 10 to 40 V
B. 40 to 70 V
C. 70 to 150 V
D. 150 to 300 V
Answer» D. 150 to 300 V
9.

How many holes can be drilled simultaneously using ES drilling process?

A. One hole
B. Two holes
C. Three holes
D. Multiple holes
Answer» E.
10.

What are the normal hole depth tolerance values in ES drilling?

A. ± 0.03 mm
B. ± 0.05 mm
C. ± 0.07 mm
D. ± 0.09 mm
Answer» C. ¬¨¬®¬¨¬± 0.07 mm
11.

Higher material removal rates are associated with _____ feed rates and _____ tool diameters.

A. Larger, smaller
B. Smaller, larger
C. Smaller, smaller
D. Larger, larger
Answer» E.
12.

What are the values of electrolyte pressure recommended for ES drilling?

A. 50 – 100 kPa
B. 100 – 250 kPa
C. 275 – 400 kPa
D. 500 – 750 kPa
Answer» D. 500 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 750 kPa
13.

Which of the following are the metals, which can be machined using sulphuric acid?

A. Carbon steels
B. Haste alloy
C. Inconel
D. All of the mentioned
Answer» E.
14.

State whether following statement is true or false regarding ES drilling.

A.
B. True
Answer» B. True
15.

What is the concentration of electrolytes that are commonly used in ES drilling?

A. 1 to 10wt %
B. 12 to 20wt %
C. 23 to 30wt %
D. 34 to 50wt %
Answer» C. 23 to 30wt %
16.

Which of the following acts as the cathodic tool in ES drilling?

A. Titanium base
B. Platinum wire
C. Glass nozzle
D. Work piece
Answer» C. Glass nozzle
17.

Compared to the required diameter of the hole, how is the nozzle diameter?

A. Smaller
B. Larger
C. Same as required
D. All of the mentioned
Answer» B. Larger
18.

What is the value of diameter of glass nozzle used in Electrostream drilling?

A. 0.01 – 0.02 mm
B. 0.025 – 0.5 mm
C. 0.5 – 0.75 mm
D. 0.75 – 1.25 mm
Answer» C. 0.5 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 0.75 mm
19.

This Electrostream drilling is used when we cannot drill which of the following type of holes?

A. Too deep holes by EDM
B. Small holes by STEM
C. All of the mentioned
D. None of the mentioned
Answer» D. None of the mentioned
20.

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

A. Electro stream
B. Electrical shaped
C. Electron shaped
D. Electric shock
Answer» B. Electrical shaped