| 1. | Which type of thread suitable for small precision components and measuring gauges ? | |
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British association thread
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acme thread
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Whitworth thread
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square thread
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Report Question| 2. | Screw threads of different forms are available for various uses. For what is the trapezoidal thread used ? | |
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For coupling railways wagon
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For spindles of fly presses and screw jacks etc
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For easy engagement and disengagement during transmission
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In a thread assembly where the sliding force acts in one direction
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| 3. | A ________ is a screw used to prevent relative motion between two rotating part ? | |
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cap screw
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machine screw
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set screw
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wing nut
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| 4. | The diameter of thread at Which the thread thickness is equal to one half of the pitch is turned as ________ ? | |
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miner diameter
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pitch diameter
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major diameter
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none of the above
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| 5. | The distance of a threaded component moves along the matching component during one complete revolution is ? | |
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Lead
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Pitch
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Hand
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Flank
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| 6. | __________ is the straight side that connects the crest and root of the thread ? | |
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Flank
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Pitch
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Lead
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Module
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| 7. | Which of the following can not be used for locking of a bolt ? | |
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wire
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disc washer
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nut
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spanner
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| 8. | Which is the formula to calculate tap drill size ? | |
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Tap drill size = Major diameter – (2 + depth)
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Tap drill size = Major diameter – (2 x depth)
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Tap drill size = Major diameter + (2 x depth)
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Tap drill size = Major diameter +(2 + depth)
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| 9. | ________ is a short of bolt Without head it's both end are third but there is a plane portion also between the two threads ? | |
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cap screw
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set screw
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stud
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none of the above
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| 10. | The distance measured parallel to the axis of the thread between corresponding point on adjacent thread forms in the same axial is called as ? | |
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lead of the thread
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depth of thread
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effective diameter of the thread
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pitch of the thread
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