Mechanical Engineering : Theory Of Machines QUESTIONS AND ANSWERS :: part1 : 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.If there are L number of links in a mechanism then number of possible inversions is equal to |
| L + 1 |
| L - 1 |
| L |
| L + 2 |
| L - 2. |
17.The example of spherical pair is |
| bolt andnut |
| lead screw of a lathe |
| ball and socket joint |
| ball bearing and roller bearing |
| none qf the above. |
18.Kinematic pairs are those which have two elements that |
| have line contact |
| have surface contact |
| permit relative motion |
| are held together |
| have dynamic forces. |
19.Cross head and guides form a |
| lower pair |
| higher pair |
| turning pair |
| rolling pair |
| sliding pair. |
20.Which of the following has sliding motion |
| crank |
| connecting rod |
| crank pin |
| cross-head |
| cross head guide. |
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