| 1. | During measurement using a micrometer, a main scale show 11 mm reading and the reading on the thimble is 34. What is the total reading ? | |
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11.88 mm
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11.62 mm
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11.34 mm
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10.66 mm
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Report Question| 2. | Which one of the following precision instruments is the used for linear measurements ? | |
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divider
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vernier caliper
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caliper
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steel rule
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| 3. | In a metric vernier caliper 49 main scale division are divided in to 50 vernier scale divisions. So least count is ? | |
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0.02 mm
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0.2 mm
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0.01 mm
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0.1 mm
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| 4. | While measuring the length of cylinder of diameter 20mm. Main scale reading is 60 mm. Where as 28th division vernier scale coincides with main scale. What is the length of cylinder ? | |
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20 mm
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60.56 mm
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28.6 mm
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60.28 mm
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| 5. | A vernier caliper is designed in which 9 number of main scale divisions are divided in to 10 equal part in vernier scale. What is the least dimension using this in instruments ? | |
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0.1 mm
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0.01 mm
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0.02 mm
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0.2 mm
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| 6. | One micrometer is equivalent to ______ millimeter ? | |
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0.001
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0.01
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10
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1000
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| 7. | A micrometer has a negative error of 0.03 mm, what is the correct reading when the micrometer reading 40.53 mm ? | |
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40.50 mm
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40.00 mm
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40.56 mm
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40.59 mm
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| 8. | Decibel (db) is a unit used to measure ? | |
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sound
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frequency
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none of the above
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light
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| 9. | 1 inch is equal to ? | |
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24.5 mm
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22.7 mm
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25.4 mm
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25.2 mm.
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