Mechanical Engineering : Theory Of Machines QUESTIONS AND ANSWERS :: part3 : 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.Idler pulley is used |
| for changing the direction of motion of the belt |
| for applying tension |
| for increasing -velocity ratio |
| all of the above |
| none of the above. |
17.The locus of a point on a thread unwound from a cylinder will be |
| a straight line |
| a circle |
| involute |
| cycloid |
| helix. |
18.Crowning on pulleys helps |
| in increasing velocity ratio |
| in decreasing the slip of the belt |
| for automatic adjustment of belt position so that belt runs centrally |
| increase belt and pulley life |
| none of the above. |
19.When a ship travels in a sea, which of the effect is more dangerous |
| steering |
| pitching |
| rolling |
| all of the above |
| none of the above. |
20.Governor is used in automobile to |
| decrease the variation of speed |
| to control |
| to control SN |
| all of the above |
| none of the above. |
More Theory Of Machines QUESTIONS AND ANSWERS available in next pages
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