MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Metrology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the minimum total depth in high precision surface plates for 300 mm dia (nominal size)? |
| A. | 60 |
| B. | 70 |
| C. | 80 |
| D. | 90 |
| Answer» D. 90 | |
| 2. |
Which of the following is true regarding high precision surface plates? |
| A. | The top of high precision plate projects about 32 mm beyond the framing |
| B. | The top of high precision plate projects about 32 mm below the framing |
| C. | The top of high precision plate projects about 12 mm beyond the framing |
| D. | The top of high precision plate projects about 12 mm below the framing |
| Answer» D. The top of high precision plate projects about 12 mm below the framing | |
| 3. |
What is the advantage of granite over cast iron in making surface plates? |
| A. | Reflects radiant heat |
| B. | Won t rust by moisture |
| C. | Strength for given weight is high |
| D. | No need of inserts and fasteners |
| Answer» C. Strength for given weight is high | |
| 4. |
What is the minimum thickness of top in a high precision surface plate? |
| A. | 20 mm for 350 mm dia |
| B. | 25 mm for 250 mm dia |
| C. | 30 mm for 250 mm dia |
| D. | 20 mm for 250 mm dia |
| Answer» E. | |
| 5. |
Which of the following hardness is given by Solid steel tool maker s flats? |
| A. | 93HRC |
| B. | 83HRC |
| C. | 73HRC |
| D. | 63HRC |
| Answer» B. 83HRC | |
| 6. |
What is the tool maker s flat size which generally uses both the faces as a working surface? |
| A. | 30 to 45 mm |
| B. | 50 to 75 mm |
| C. | 75 to 100 mm |
| D. | 100 to 200 mm |
| Answer» C. 75 to 100 mm | |
| 7. |
Which of the following is not true about the requirements of material selection for tool maker s flats? |
| A. | Suitable surface for the wringing purpose |
| B. | High degree of rigidity |
| C. | Wear resistance |
| D. | Absorb radiant heat |
| Answer» E. | |
| 8. |
Why are shallow grooves provided in larger flats? |
| A. | To minimize the possibilities of uneven hardening |
| B. | For design purpose |
| C. | To maintain high accuracy for a longer period |
| D. | To make them lighter |
| Answer» B. For design purpose | |
| 9. |
Which of the following is not true about tool maker s flats? |
| A. | Tool maker s flats should be free from inclusions |
| B. | Tool maker s flats are of less hardness |
| C. | Working surfaces are produced by lapping |
| D. | Should be located in a stirred atmosphere |
| Answer» C. Working surfaces are produced by lapping | |
| 10. |
What is the shape of the tool maker s flats? |
| A. | Circular |
| B. | Rectangular |
| C. | Square |
| D. | Triangular |
| Answer» B. Rectangular | |