| 1. | The function of the washer is to ? | |
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fill up the axial gap
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provide bearing area
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provide cushioning effect
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absorb shocks and vibrations
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Report Question| 2. | When a nut is tightened by placing a washer below it, the bolt will be subjected to ? | |
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tensile stress
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compressive stress
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shear stress
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none of these
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| 3. | The largest diameter of an external or internal screw thread is known as ? | |
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minor diameter
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major diameter
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pitch diameter
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none of these
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| 4. | In cyclic loading, stress concentration is more serious in ? | |
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brittle materials
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ductile materials
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brittle as well as ductile materials
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elastic materials
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| 5. | Two shafts A and B under pure torsion are of identical length and identical weight and are made of the same material. The shaft A is solid and the shaft B is hollow. We can say that ? | |
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shaft B is better than shaft A
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shaft A is better than shaft B
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both the shafts are equally good
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none
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| 6. | Failure of a material is called fatigue when it fails ? | |
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at the elastic limit
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below the elastic limit
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at the yield point
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below the yield point
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| 7. | According to Indian standards, total number of fundamental deviations are ? | |
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10
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15
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20
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25
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| 8. | When a machine member is subjected to torsion, the torsional shear stress set up in the member is ? | |
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zero at both the centroidal axis and outer surface of the member
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maximum at both the centroidal axis and outer surface of the member
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zero at the centroidal axis and maximum at the outer surface of the member
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maximum at the centroidal axis and zero at the outer surface of the member
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| 9. | A locking device extensively used in marine type connecting rod ends is a ? | |
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jam nut
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castle nut
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sawn nut
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ring nut
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| 10. | The fatigue stress concentration factor is defined as ? | |
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the ratio of endurance limit with stress concentration to the endurance limit without stress concentration
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the ratio of endurance limit without stress concentration to the endurance limit with stress concentration
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the product of the endurance limits with and without stress concentration
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all of the above
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