MCQOPTIONS
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MCQOPTIONS
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 is measuring head sensitivity with the variation of diameter (D) of measuring orifice? |
| A. | πD |
| B. | πDL |
| C. | πDL2 |
| D. | πD2L |
| Answer» B. πDL | |
| 2. |
For which diameter range of parts pneumatic gauges can be used? |
| A. | 50 to 500 mm |
| B. | 0.5 to 900 mm |
| C. | 50 to 700 mm |
| D. | 100 to 600 mm |
| Answer» C. 50 to 700 mm | |
| 3. |
After which frequency range, pneumatic measuring system is not correctly measured displacements? |
| A. | 5 cycles/second |
| B. | 4 cycles/second |
| C. | 3 cycles/second |
| D. | 2 cycles/second |
| Answer» E. | |
| 4. |
Which of the following statement is true for pneumatic gauges?Statement 1: Can be used to check multiple dimensions.Statement 2: A float is present inside the bore. |
| A. | T, T |
| B. | F, T |
| C. | F, F |
| D. | T, F |
| Answer» B. F, T | |
| 5. |
What is the formula for overall magnification of pneumatic comparator? (Where, λ is the length of scale of pressure measuring device and La is the average separation between nozzle surface and surface to be gauged) |
| A. | 0.4*λ/La |
| B. | 0.7*λ/La |
| C. | 0.4*λ*La |
| D. | 0.4*λ/Lab) 0.7*λ/Lac) 0.4*λ*Lad) 0.7*λ*La |
| Answer» B. 0.7*λ/La | |
| 6. |
AFTER_WHICH_FREQUENCY_RANGE,_PNEUMATIC_MEASURING_SYSTEM_IS_NOT_CORRECTLY_MEASURED_DISPLACEMENTS??$ |
| A. | 5 cycles/second |
| B. | 4 cycles/second |
| C. | 3 cycles/second |
| D. | 2 cycles/second |
| Answer» E. | |
| 7. |
Which of the following is measuring head sensitivity with the variation of diameter (D) of measuring orifice?$ |
| A. | πD |
| B. | πDL |
| C. | πDL<sup>2</sup> |
| D. | πD<sup>2</sup>L |
| Answer» B. ‚âà√¨‚àö√ëDL | |
| 8. |
For_which_diameter_range_of_parts_pneumatic_gauges_can_be_used?$ |
| A. | 50 to 500 mm |
| B. | 0.5 to 900 mm |
| C. | 50 to 700 mm |
| D. | 100 to 600 mm |
| Answer» C. 50 to 700 mm | |
| 9. |
In Back pressure type pneumatic gauge, there are two orifices. What is the relationship between upstream pressure of first orifice and pressure between two orifices? |
| A. | Depends upon the distance between two orifice |
| B. | Depends upon relative size of orifice |
| C. | Only on geometric area of first orifice |
| D. | Distance between pressure source and first orifice |
| Answer» C. Only on geometric area of first orifice | |
| 10. |
Which of the following statement is true for pneumatic gauges? |
| A. | |
| B. | |
| Answer» B. | |
| 11. |
Which of the following option is correct for velocity type pneumatic gauge? |
| A. | Operate by sensing momentary rate of flow of air |
| B. | Response speed is less than back pressure type |
| C. | Low amplification |
| D. | Filter is placed after pressure reducing unit |
| Answer» B. Response speed is less than back pressure type | |
| 12. |
What is the relation between overall magnification and pneumatic sensitivity in pneumatic comparators? |
| A. | Independent of each other |
| B. | Overall magnification is directly dependent on the square of pneumatic sensitivity |
| C. | Overall magnification is inversely proportional to the pneumatic sensitivity |
| D. | Overall magnification is directly dependent on the pneumatic sensitivity |
| Answer» E. | |
| 13. |
What is the formula for overall magnification of pneumatic comparator? (Where, λ is the length of scale of pressure measuring device and La is the average separation between nozzle surface and surface to be gauged)$ |
| A. | 0.4*λ/L<sub>a</sub> |
| B. | 0.7*λ/L<sub>a</sub> |
| C. | 0.4*λ*L<sub>a</sub> |
| D. | 0.7*λ*L<sub>a</sub> |
| Answer» B. 0.7*‚âà√≠¬¨‚Ñ¢/L<sub>a</sub> | |
| 14. |
Which of the following is true for Pneumatic sensitivity in pneumatic comparators? |
| A. | Directly proportional to operating pressure |
| B. | Inversely proportion to operating pressure |
| C. | Directly proportional to geometrical area of orifice |
| D. | Independent of area of orifice and operating pressure |
| Answer» B. Inversely proportion to operating pressure | |
| 15. |
What is the order of magnification in flow type pneumatic gauge? |
| A. | 100 to 1000 times |
| B. | 500 to 5000 times |
| C. | 50 to 500 times |
| D. | 100 to 2000 times |
| Answer» C. 50 to 500 times | |
| 16. |
Which of the following is not correct for pneumatic comparator? |
| A. | Independent of operator skill |
| B. | Loss of accuracy due to gauge wear |
| C. | Speedy operation |
| D. | Total life cost is less |
| Answer» C. Speedy operation | |