Mechanical Engineering : Machine Design QUESTIONS AND ANSWERS :: part5 : 11 to 15
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
11.If shearing stress in nut is half the tensile stress in a bolt, then nut length should be equal to |
| diameter of bolt |
| 0.75 x diameter of bolt |
| 1.25 x diameter of bolt |
| 1.5 x diameter of bolt |
| 0.5 x diameter of bolt. |
12.Whether any core is required in wireropes |
| yes |
| no |
| sometimes |
| rarely |
| very often. |
13.In standard taper roller bearings, the angle of taper of outer raceway is |
| 5� |
| 8� |
| 15� |
| 25� |
| 40�. |
14.Oil in journal bearing should be applied at the point where load is |
| nil or lightest |
| maximum |
| average |
| any one of the above |
| unpredictable. |
15.Three different weights fall from a certain height under vacuum. They will take |
| same time to reach earth |
| times proportional to weight to reach earth |
| times inversely proportional to weight to reach earth |
| unpredictable |
| none of the above. |
More Machine Design QUESTIONS AND ANSWERS available in next pages
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