Mechanical Engineering : Theory Of Machines QUESTIONS AND ANSWERS :: part2 : 1 to 5
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
1.The advantage of the piston valve over D-slide valve is that in the former case |
| wear is less |
| power absorbed is less |
| both wear and power absorbed are low |
| the pressure developed being high provides tight sealing |
| there is overall economy of initial cost, maintenance and operation. |
2.The number of links in pantograph mechanism is equal to |
| 2 |
| 3 |
| 4 |
| 5 |
| 6. |
3.Flexible coupling is used because |
| it is easy to disassemble |
| it is easy to engage and disengage |
| it transmits shocks gradually |
| it prevents shock transmission and eliminates stress reversals |
| it increases shaft life. |
4.Rectangular bar in a rectangular hole is the following type of pair |
| completely constrained motion |
| partially constrained motion |
| incompletely constrained motion |
| freely constrained motion |
| none of the above. |
5.Shaft revolving in a bearing is the following type of pair |
| lower pair |
| higher pair |
| spherical pair, |
| cylindrical pair |
| bearing pair. |
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