Mechanical Engineering : Machine Design QUESTIONS AND ANSWERS :: part2 : 16 to 20
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
16.Which is correct statement ? |
| a member made of steel will generally be more rigid than a member of equal load-carrying ability made of cast iron |
| a member made of cast iron will generally be. more rigid than a member of equal load carrying ability made of steel |
| both will be equally rigid |
| which one is rigid will depend on several other factors |
| none of the above. |
17.A tap bolt |
| has a head on one end and a nut fitted to the other |
| has head at one end and other end fits into a tapped hole in the other part \o be joined |
| has both the ends threaded |
| has pointed threads |
| requires locking devices. |
18.A bolt |
| has a head on one end and a nut fitted to the other |
| has head at one end and other end fits into a tapped hole in the other part to be joined |
| has both the ends threaded |
| is provided with pointed threads |
| requires no nut. |
19.Resistance to fatigue of a material is measured by |
| Young's modulus |
| coefficient of elasticity |
| elastic limit |
| ultimate tensile strength |
| endurance limit. |
20.The fatigue limit of a material |
| is greatly decreased by poor surface conditions |
| remains same irrespective of surface conditions |
| depends mainly on core composition |
| is dependent upon yield strength of material |
| none of the above. |
More Machine Design QUESTIONS AND ANSWERS available in next pages
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