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This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Dynamics knowledge and support exam preparation. Choose a topic below to get started.
1. |
M30 stands for: |
A. | End of program |
B. | End of block |
C. | End of tape and tape rewind |
D. | Coolant on/ off |
Answer» B. End of block | |
2. |
Dwell is defined by: |
A. | G04 |
B. | G03 |
C. | G02 |
D. | G01 |
Answer» B. G03 | |
3. |
On turning lathes the machine zero point is generally at the: |
A. | Head stock of lathe spindle nose face |
B. | Dead center of tail stock |
C. | Tool point mounted on tool post |
D. | none of the mentioned |
Answer» C. Tool point mounted on tool post | |
4. |
DWELL_IS_DEFINED_BY:?$ |
A. | G04 |
B. | G03 |
C. | G02 |
D. | G01 |
Answer» B. G03 | |
5. |
M30 stands for:$ |
A. | End of program |
B. | End of block |
C. | End of tape and tape rewind |
D. | Coolant on/ off |
Answer» B. End of block | |
6. |
On turning lathes the machine zero point is generally at the? |
A. | Head stock of lathe spindle nose face |
B. | Dead center of tail stock |
C. | Tool point mounted on tool post |
D. | none of the mentioned |
Answer» C. Tool point mounted on tool post | |
7. |
The axes of turning machine arc: |
A. | Z and X-axes |
B. | X and Y-axes |
C. | Z and Y-axes |
D. | X, Y and Z-axes |
Answer» B. X and Y-axes | |
8. |
The lost motion in CNC machine tool is on account of: |
A. | Backlash in gearing |
B. | Wind-up of drive shafts |
C. | Deflection of machine tool members |
D. | All of the mentioned |
Answer» B. Wind-up of drive shafts | |
9. |
CNC drilling machine is considered to be a: |
A. | Point-to-point controlled machine |
B. | Straight line controlled machine |
C. | Continuous path controlled machine |
D. | Servo-controlled machine |
Answer» B. Straight line controlled machine | |
10. |
The first commercial CNC machine was developed in the year: |
A. | 1970 |
B. | 1972 |
C. | 1976 |
D. | 1980 |
Answer» B. 1972 | |
11. |
Computer will perform the data processing functions in |
A. | NC |
B. | CNC |
C. | DNC |
D. | ACS |
Answer» D. ACS | |
12. |
Stiffness is ______________ to the length of the element. |
A. | Inversely proportional |
B. | Directly proportional |
C. | Exponential |
D. | Independent |
Answer» E. | |
13. |
The sum of the shape functions over the element is always equal to: |
A. | Zero |
B. | Infinity |
C. | Unity |
D. | None of the mentioned |
Answer» D. None of the mentioned | |