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This section includes 15 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 order of overall magnification in Eden-Rolt Millionth Comparator? |
A. | 50 |
B. | 400 |
C. | 20,000 |
D. | 800 |
Answer» D. 800 | |
2. |
What is the use of bleed valve in flow type pneumatic comparator? |
A. | Zero adjustment |
B. | Measurement of size |
C. | Connect passage of air from plastic tube to gauging head |
D. | Used with pressure reducing unit |
Answer» B. Measurement of size | |
3. |
Which of the following is true for ’Cross strip’ in sigma comparator? |
A. | Has two moving members |
B. | Cross strip is hinged |
C. | Two members are at 45o to each other |
D. | A flexible strip is attached to any one of the members of cross strip |
Answer» C. Two members are at 45o to each other | |
4. |
From which category ‘Sigma comparator’ belongs? |
A. | Optical comparator |
B. | Mechanical comparator |
C. | Mechanical-optical comparator |
D. | Pneumatic comparator |
Answer» C. Mechanical-optical comparator | |
5. |
What is the principle of ‘The Johansson Mikrokator’? |
A. | Button spinning on a loop of string |
B. | Principle of interference |
C. | Optical magnification |
D. | Principle of transformer |
Answer» B. Principle of interference | |
6. |
WHAT_IS_THE_USE_OF_BLEED_VALVE_IN_FLOW_TYPE_PNEUMATIC_COMPARATOR??$ |
A. | Zero adjustment |
B. | Measurement of size |
C. | Connect passage of air from plastic tube to gauging head |
D. | Used with pressure reducing unit |
Answer» B. Measurement of size | |
7. |
What_is_the_order_of_overall_magnification_in_Eden-Rolt_Millionth_Comparator?$ |
A. | 50 |
B. | 400 |
C. | 20,000 |
D. | 800 |
Answer» D. 800 | |
8. |
Which of the following option is correct regarding the characteristics of comparators? |
A. | Minimum inertia |
B. | Minimum compensation for temperature effect |
C. | High measuring pressure |
D. | Minimum versatility |
Answer» B. Minimum compensation for temperature effect | |
9. |
Which of the following is true for Eden-Rolt Millionth Comparator? |
A. | Utilise both mechanical and optical magnifications |
B. | Only mechanical magnification |
C. | Only optical magnification |
D. | Only electrical magnification |
Answer» B. Only mechanical magnification | |
10. |
Which colour of light is filtered by filter present in Zeiss Ultra-optimeter? |
A. | Red |
B. | Blue |
C. | Green |
D. | Yellow |
Answer» D. Yellow | |
11. |
Which of the following is true for ’Cross strip’ in sigma comparator?$ |
A. | Has two moving members |
B. | Cross strip is hinged |
C. | Two members are at 45<sup>o</sup> to each other |
D. | A flexible strip is attached to any one of the members of cross strip |
Answer» C. Two members are at 45<sup>o</sup> to each other | |
12. |
What is the advantage of mechanical comparator over others? |
A. | Less moving parts |
B. | No need of external supply |
C. | No error due to parallax |
D. | Large range of instrument |
Answer» C. No error due to parallax | |
13. |
From which category ‘Sigma comparator’ belongs?$ |
A. | Optical comparator |
B. | Mechanical comparator |
C. | Mechanical-optical comparator |
D. | Pneumatic comparator |
Answer» C. Mechanical-optical comparator | |
14. |
What is the principle of ‘The Johansson Mikrokator’?$ |
A. | Button spinning on a loop of string |
B. | Principle of interference |
C. | Optical magnification |
D. | Principle of transformer |
Answer» B. Principle of interference | |
15. |
Which of the following is true for uses of comparators? |
A. | Can’t be used in mass production |
B. | Not suitable for inspection purposes |
C. | Can be used as working gauge |
D. | Slow rate of working |
Answer» D. Slow rate of working | |