| 1. | A limit system in which hole is constant member and different fit are obtained by varying the size of the shaft is called ? | |
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shaft basis system
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hole basis system
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interchangeable system
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none of the above
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Report Question| 2. | _______ is used to prepare a flexible joint between two shaft at desired angle ? | |
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cotter joint
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key joint
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knuckle joint
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none of the above
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| 3. | Which of the following is not a clearance fit ? | |
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slide fit
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running fit
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shrink fit
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loose running fit
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| 4. | A hole whose lower division is zero is called hole basis, which one of the following letters indicates basic hole ? | |
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E
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h
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G
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H
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| 5. | The relation between the two part where one is inserted to the other with a certain degree of tightness or looseness is now as ? | |
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tolerance
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allowance
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fit
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clearance
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| 6. | For basic size of shaft of diameter 20 mm H7 limit are 0 and 21 microns and for hole of same diameter, g6 limit are -7 and -20 microns, find the maximum clearance between hole and shaft. ? | |
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7 micron
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20 micron
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28 micron
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41 micron
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| 7. | Which of the following fits is not according to the BIS system ? | |
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25 H8/g7
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25 g7/h8
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25 H8-g7
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40 H8f6
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| 8. | Which among the following instruments are use to check the components only to ensure that the size are within the prescribed limits in mass production work ? | |
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dial test indicator
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try square
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vernier caliper
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gauge
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| 9. | In shaft basis system ? | |
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fundamental deviation of the hole is taken as zero
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fundamental deviation of the shaft is taken as zero
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the size of the shaft is kept constant and size of hole is varied
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both a and c
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| 10. | limits of 30 mm hole is ES= +0.025 and EI= +0.002 mm. The maximum and minimum hole sizes will be ? | |
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max. 30.02 mm ; min. 29.998 mm
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max. 30.025 mm ; min. 30.002 mm
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max. 29.998 mm ; min. 30.002 mm
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max. 29.990 mm ; min. 29.975 mm
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