Mechanical Engineering : Machine Design QUESTIONS AND ANSWERS :: part3 : 6 to 10
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
6.A key capable of tilting in a recess milled out in a shaft is known as |
| wood-ruff key |
| feather key |
| flat saddle key |
| gib head key |
| hollow saddle key. |
7.In order to obtain bolt of uniform strength |
| increase shank diameter |
| increase its length |
| drill an axial hole through head upto threaded portion so that shank area is equal to root area of thread |
| tighten die bolt properly |
| all of the above. |
8.The function of a washer is to |
| provide cushioning effect |
| provide bearing area |
| absorb shocks and vibrations |
| provide smooth surface in place of rough surface |
| act as a locking device. |
9.Fibrous fracture occurs in |
| ductile material |
| brittle material |
| elastic material |
| hard material |
| all of the above. |
10.An alien bolt is |
| self locking bolt |
| same as stud |
| provided with hexagonal depression in head |
| used in high speed components |
| provided with countersunk head. |
More Machine Design QUESTIONS AND ANSWERS available in next pages
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