| 1. | Method to measure effective diameter of a thread is by ? | |
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three wire method
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screw thread micrometer
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both a and b
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none of the above
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Report Question| 2. | In a screw thread, the top surface joining two adjacent side of the thread called ______ ? | |
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throat
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flank
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root
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crest
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| 3. | The blank diameter used in thread rolling will be ? | |
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A little larger than the minor diameter of the thread
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Equal to pitch diameter of the thread
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Equal to minor diameter of the thread
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A little larger than the pitch diameter of the thread
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| 4. | For a single start thread the lead is equal to ? | |
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2 times of pitch
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3 times pitch
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pitch
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1/2 times pitch
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| 5. | Die is made up of ? | |
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low carbon steel
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medium carbon steel
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high carbon steel
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none of the above
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| 6. | In a screw thread, the bottom surface joining two adjacent side of the thread called ______ ? | |
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throat
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flank
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root
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crest
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| 7. | The other name of taper tap is ? | |
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first tap
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bottoming tap
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rougher tap
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intermediate tap
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| 8. | In a saw tooth thread, as per BIS 4696. The flank taking the load is indicated at ? | |
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7°
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3°
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30°
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45°
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| 9. | The shank of a hand tap has three ring marketed on. Then it is a ? | |
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first tap
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bottoming tap
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taper tap
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intermediate tap
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| 10. | In four start thread screw, if lead is 16 mm, then pitch is ? | |
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2 mm
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4 mm
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3 mm
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16 mm
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