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This section includes 16 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. |
Which of the following option is true for the given statements about micrometer?Statement 1: There is a fixed spindle and a rotated anvil.Statement 2: For taking the reading, micrometer dimension is set slightly larger than part size. |
A. | T, F |
B. | F, F |
C. | F, T |
D. | T, T |
Answer» D. T, T | |
2. |
To check the bending in micrometer, what is the difference between the measurement of loaded and unloaded conditions for micrometer range 0 to 25 mm? |
A. | 1.5 µm per kg |
B. | 2.0 µm per kg |
C. | 2.5 µm per kg |
D. | 3.0 µm per kg |
Answer» B. 2.0 µm per kg | |
3. |
Which of the following is correct about micrometer? |
A. | Plastic insulating grips are used on the frame |
B. | Satin chrome finish increase the reading errors |
C. | A uniform and maximum measuring force is applied |
D. | Barrel is the removable part of the frame |
Answer» B. Satin chrome finish increase the reading errors | |
4. |
Which of the following option is correct about given statements about micrometer?Statement 1: The anvil should not protrude from the frame.Statement 2: An adjusting nut is present in micrometer to compensate wear |
A. | Only statement 1 is true |
B. | Only statement 2 is true |
C. | Both the statements are true |
D. | Both the statements are false |
Answer» C. Both the statements are true | |
5. |
WHICH_OF_THE_FOLLOWING_IS_CORRECT_ABOUT_MICROMETER??$ |
A. | Plastic insulating grips are used on the frame |
B. | Satin chrome finish increase the reading errors |
C. | A uniform and maximum measuring force is applied |
D. | Barrel is the removable part of the frame |
Answer» B. Satin chrome finish increase the reading errors | |
6. |
To check the bending in micrometer, what is the difference between the measurement of loaded and unloaded conditions for micrometer range 0 to 25 mm?$ |
A. | 1.5 µm per kg |
B. | 2.0 µm per kg |
C. | 2.5 µm per kg |
D. | 3.0 µm per kg |
Answer» B. 2.0 ¬¨¬®¬¨¬µm per kg | |
7. |
What is the accuracy range of stick micrometers? |
A. | ±0.005 mm |
B. | ±0.05 mm |
C. | ±0.5 |
D. | ±0.0005 mm |
Answer» B. ¬¨¬®¬¨¬±0.05 mm | |
8. |
Which of the following is incorrect about precautions in using a micrometer? |
A. | Final movement is given by ratchet |
B. | Thimble is turned till the Measuring tip just touches the part to be measured |
C. | Part to be measured is held in right hand and micrometer in left hand for good results |
D. | Error is reading is may be due to lack of flatness of anvil |
Answer» D. Error is reading is may be due to lack of flatness of anvil | |
9. |
What is the value of total error for grade 1 micrometer when micrometer is tested at 20oC? |
A. | 4+(L/100)µm |
B. | 5+(L/100)µm |
C. | 6+(L/100)µm |
D. | 7+(L/100)µm |
Answer» B. 5+(L/100)¬¨¬®¬¨¬µm | |
10. |
Which of the following option is correct about given statements about micrometer? |
A. | |
B. | |
Answer» C. | |
11. |
How many divisions are graduated on thimble? |
A. | 20 |
B. | 25 |
C. | 45 |
D. | 50 |
Answer» E. | |
12. |
What is the total error in micrometer? |
A. | Positive and negative deviation from the zero point |
B. | Error in parallelism |
C. | Deviation from measurement of a nominal dimension |
D. | Maximum difference between ordinates of cumulative error |
Answer» E. | |
13. |
What is the hardness of measuring faces of anvil and spindle? |
A. | 800 HV |
B. | 600 HV |
C. | 1000 HV |
D. | 100 HV |
Answer» B. 600 HV | |
14. |
Which of the following is incorrect about micrometer? |
A. | Thimble and barrel should have a dull finish |
B. | Total travel of the measuring spindle is called measuring range |
C. | Graduated surface diameter of barrel should be 5 mm |
D. | Screw has 10 or 20 threads per cm |
Answer» D. Screw has 10 or 20 threads per cm | |
15. |
What is the use of ratchet stop in micrometer? |
A. | Prevent motion of spindle |
B. | Maintain uniform measuring pressure |
C. | Provide measuring surface |
D. | Forms measuring tip |
Answer» C. Provide measuring surface | |
16. |
What is the least count of a micrometer? |
A. | 0.01 mm |
B. | 0.02 mm |
C. | 0.1 mm |
D. | 0.2 mm |
Answer» B. 0.02 mm | |