MCQOPTIONS
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MCQOPTIONS
This section includes 6 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. |
In an NC machining operation, the tool has to be moved from point (5,4) to point (7,2) along a circular path with center at (5,2). Before starting the operation, the tool is at (5, 4). The correct G and M code for this motion is |
| A. | N010 G03 X7.0 Y2.0 I5.0 J2.0 |
| B. | N010 G02 X7.0 Y2.0 I5.0 J2.0 |
| C. | N010 G01 X7.0 Y2.0 I5.0 J2.0 |
| D. | N010 G00 X7.0 Y2.0 I5.0 J2.0 |
| Answer» C. N010 G01 X7.0 Y2.0 I5.0 J2.0 | |
| 2. |
In a 2-D CAD package, clockwise circular arc of radius, 5, specified from P1 (15,10) to P2 (10,15)will have its center at |
| A. | (10, 10) |
| B. | (15, 10) |
| C. | (15, 15) |
| D. | (10, 15) |
| Answer» B. (15, 10) | |
| 3. |
The tool of an NC machine has to move along a circular arc from (5, 5) to (10, 10) while performing an operation. The center of the arc is at (10, 5). Which one of the following NC tool path commands performs the above mentioned operation? |
| A. | N010 G02 X10 Y10 X5 Y5 R5 |
| B. | N010 G03 X10 Y10 X5 Y5 R5 |
| C. | N010 G01 X5 Y5 X10 Y10 R5 |
| D. | N010 G02 X5 Y5 X10 Y10 R5 |
| Answer» E. | |
| 4. |
For generating Coons patch we require |
| A. | A set of grid points on surface |
| B. | A set of control points |
| C. | Four bounding curves defining surface |
| D. | Two bounding curves and a set of grid control points |
| Answer» D. Two bounding curves and a set of grid control points | |
| 5. |
In a CNC program block, N002 G02 G91 X40 Z40 , G02 AND G91 refer to |
| A. | Circular interpolation in counterclockwise direction and incremental dimension |
| B. | Circular interpolation in counterclockwise direction and absolute dimension |
| C. | Circular interpolation in clockwise direction and incremental dimension |
| D. | Circular interpolation in clockwise direction and absolute dimension |
| Answer» D. Circular interpolation in clockwise direction and absolute dimension | |
| 6. |
In a CAD package, mirror image of a 2D point P (5, 10) is to be obtained about a line which passes through the origin and makes an angle of 45 counterclockwise with the X-axis. The coordinates of the transformed point will be |
| A. | (7.5, 5) |
| B. | (10, 5) |
| C. | (7.5, -5) |
| D. | (10, -5) |
| Answer» C. (7.5, -5) | |