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This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Tools knowledge and support exam preparation. Choose a topic below to get started.
1. |
The larger diameter of shaft is 125 mm and smaller diameter of the shaft is 95 mm. Find the taper. Assume that length of the job and taper is same. |
A. | 30 |
B. | 15 |
C. | 60 |
D. | none of the mentioned |
Answer» C. 60 | |
2. |
Number of revolution = 50, rpm = 100. Find out the machining time. |
A. | 0.5 |
B. | 2 |
C. | 4 |
D. | none of the mentioned |
Answer» B. 2 | |
3. |
Find the feed from the given data (in mm/revolution). cutting speed(cs) =50 mm/minute, depth of cut(d)=100mm, metal removal rate(mrr)= 10 mm/revolution. |
A. | 0.2 |
B. | 0.02 |
C. | 0.002 |
D. | none of the mentioned |
Answer» D. none of the mentioned | |
4. |
Find the cutting speed from the given data (in mm/minute). metal removal rate(mrr) =50 mm*mm*mm/minute, depth of cut(d)=1mm, feed(f)= o.1 mm/revolution. |
A. | 50 |
B. | 500 |
C. | 5000 |
D. | none of the mentioned |
Answer» C. 5000 | |
5. |
Find the metal removal rate from the given data (in mm*mm*mm/minute). cutting speed(cs) =50 mm/minute, depth of cut(d)=10mm, feed(f)= o.1 mm/revolution. |
A. | 50 |
B. | 500 |
C. | 5000 |
D. | none of the mentioned |
Answer» B. 500 | |
6. |
If the diameter of the work surface before machining(d1) is 100 mm and diameter of the machined surface(d2) is 50 mm.
|
A. | 50 |
B. | 25 |
C. | 15 |
D. | none of the mentioned |
Answer» C. 15 | |
7. |
Determine the cutting speed(cs) of the shaft mm/min. diameter(d)=25 mm, rpm(n)=50 mm/revolution |
A. | 3.925 |
B. | 1.25 |
C. | 7.85 |
D. | none of the mentioned |
Answer» B. 1.25 | |
8. |
Determine the diameter(d) of the shaft in mm. rpm(n)=25 mm/revolution, cutting speed(cs)=100 mm/min. |
A. | 21.23 |
B. | 405.47 |
C. | 1273.2 |
D. | none of the mentioned |
Answer» D. none of the mentioned | |
9. |
Determine the rpm(n) of the shaft. diameter(d)=25 mm, cutting speed(cs)=50 m/min. |
A. | 636.9 |
B. | 202.83 |
C. | 10.615 |
D. | none of the mentioned |
Answer» B. 202.83 | |