MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In machining soft materials, a tool with a negative relief angle is used |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
For machining a cast iron workpiece by a high speed steel tool, the average cutting speed is |
| A. | 10 m/min |
| B. | 15 m/min |
| C. | 22 m/min |
| D. | 30 m/min |
| Answer» D. 30 m/min | |
| 3. |
THE_TOOL_MATERIAL,_FOR_FASTER_MACHINING,_SHOULD_HAVE?$ |
| A. | wear resistance |
| B. | red hardness |
| C. | toughness |
| D. | all of the mentioned |
| Answer» E. | |
| 4. |
IN_MACHINING_SOFT_MATERIALS,_A_TOOL_WITH_A_NEGATIVE_RELIEF_ANGLE_IS_USED?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
In machining metals, surface roughness is due t? |
| A. | feed marks or ridges left by the cutting tool |
| B. | fragment of built up edge on the machined surface |
| C. | cutting tool vibrations |
| D. | all of the mentioned |
| Answer» E. | |
| 6. |
In machining metals, chips break due to _____________ of work material. |
| A. | toughness |
| B. | ductility |
| C. | elasticity |
| D. | work hardening |
| Answer» E. | |
| 7. |
The factor considered for evaluation of maintainability is |
| A. | cutting forces and power consumption |
| B. | tool life |
| C. | type of chips and shear angle |
| D. | all of the mentioned |
| Answer» E. | |
| 8. |
The machining of titanium is difficult due to |
| A. | high thermal conductivity of titanium |
| B. | chemical reaction between tool and work |
| C. | low tool-chip contact area |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 9. |
For machining a mild steel workpiece by a high speed steel tool, the average cutting speed is |
| A. | 5 m/min |
| B. | 10 m/ min |
| C. | 15 m/min |
| D. | 30 m/min |
| Answer» E. | |
| 10. |
For machining a mild steel workpiece using carbide tool, the maximum material will be removed at a temperature of |
| A. | 50<sup>0</sup> |
| B. | 100<sup>0</sup> |
| C. | 175<sup>0</sup> |
| D. | 275<sup>0</sup> |
| Answer» C. 175<sup>0</sup> | |
| 11. |
The specific cutting energy used for establishing the machinability of the metal depends upon its |
| A. | coefficient of friction |
| B. | micro-structure |
| C. | work hardening characteristics |
| D. | all of the mentioned |
| Answer» E. | |