McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Mechanical Engineering .
Chapters
| 1. |
Following is an abrasive cutting |
| A. | Milling |
| B. | Grinding |
| C. | Laser beam machining |
| D. | All of the above |
| Answer» B. Grinding | |
| 2. |
Grinding is best suited to the machining of |
| A. | Soft material |
| B. | Very hard material |
| C. | Both (A) and (B) |
| D. | None of the above |
| Answer» B. Very hard material | |
| 3. |
Following process (es) is (are) subset(s) of grinding |
| A. | Honing |
| B. | Lapping |
| C. | Sanding |
| D. | All of the above |
| Answer» D. All of the above | |
| 4. |
The work holding device in surface grinding is known as |
| A. | Chuck |
| B. | Mandrel |
| C. | Tool post |
| D. | None of the above |
| Answer» A. Chuck | |
| 5. |
Grinding is commonly used on |
| A. | Aluminium |
| B. | Brass |
| C. | Plastic |
| D. | Cast Iron |
| Answer» D. Cast Iron | |
| 6. |
Which of the following material(s) tend to clog the cutting wheel |
| A. | Aluminium |
| B. | Brass |
| C. | Plastic |
| D. | All of the above |
| Answer» D. All of the above | |
| 7. |
Following is (are) the type of cylindrical grinding |
| A. | Outside diameter grinding |
| B. | Plunge grinding |
| C. | Centerless grinding |
| D. | All of the above |
| Answer» D. All of the above | |
| 8. |
In cylindrical grinder, how many centers hold the workpiece? |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» B. Two | |
| 9. |
Most cylindrical grinding machines include a ___ to allow the forming of tapered piece. |
| A. | Grinding dog |
| B. | Swivel |
| C. | Center driver |
| D. | None of the above |
| Answer» B. Swivel | |
| 10. |
In cylindrical grinding, the abrasive wheel and the workpiece are |
| A. | Rotated by separate motors and at different speeds. |
| B. | Rotated by separate motors and at same speed. |
| C. | Rotated by single motor and at same speed. |
| D. | Any of the above |
| Answer» A. Rotated by separate motors and at different speeds. | |
| 11. |
In which of the grinding methods, rate of material removal is high? |
| A. | Surface grinding |
| B. | Cylindrical grinding |
| C. | Creep feed grinding |
| D. | All of the above |
| Answer» C. Creep feed grinding | |
| 12. |
In which of the following grinding methods, grinding wheel never need dressing |
| A. | High efficiency deep grinding |
| B. | Continuous dress creep feed grinding |
| C. | Surface grinding |
| D. | All of the above |
| Answer» A. High efficiency deep grinding | |
| 13. |
In centerless grinding, workpiece is supported by |
| A. | Centers |
| B. | Chuck |
| C. | Work rest |
| D. | All of the above |
| Answer» C. Work rest | |
| 14. |
Following is a type of centerless grinding |
| A. | Through feed grinding |
| B. | In feed grinding |
| C. | Internal centerless grinding |
| D. | All of the above |
| Answer» D. All of the above | |
| 15. |
In electrochemical grinding, grinding wheel is |
| A. | Positively charged |
| B. | Negatively charged |
| C. | Grounded |
| D. | Any of the above |
| Answer» B. Negatively charged | |
| 16. |
In electrochemical grinding, the pieces from the workpiece |
| A. | Are dissolved into the conductive fluid |
| B. | Melts and vaporizes |
| C. | Flushed out |
| D. | None of the above |
| Answer» A. Are dissolved into the conductive fluid | |
| 17. |
Following cutting fluid is used for grinding of Cast iron |
| A. | Heavy duty emulsifiable oil |
| B. | Light duty chemical oil |
| C. | Synthetic oil |
| D. | All of the above |
| Answer» D. All of the above | |
| 18. |
Stainless steel is very difficult to grind due to its |
| A. | Toughness |
| B. | Ability to work harden |
| C. | Both (A) and (B) |
| D. | None of the above |
| Answer» C. Both (A) and (B) | |
| 19. |
Which of the following property changes due to grinding |
| A. | Mechanical properties |
| B. | Physical properties |
| C. | Chemical properties |
| D. | All of the above |
| Answer» D. All of the above | |
| 20. |
Synthetic oil is used as cutting fluid in grinding for |
| A. | Cast iron |
| B. | Stainless steel |
| C. | Plastics |
| D. | All of the above |
| Answer» D. All of the above | |
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