Mechanical Engineering : Theory Of Machines 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.For fluctuating loads, welsuited bearing is |
| ball bearing |
| roller bearing |
| needle roller bearing |
| thrust bearing |
| sleeve bearing. |
7.The Ackermann steering mechanism is preferred to the Davis type in automobiles because |
| the former is mathematically accurate |
| the former is having turning pair |
| the former is most economical |
| the former is most rigid |
| none of thfr above. |
8.In elliptical trammels |
| all four pairs are turning |
| three pairs turning and one pair sliding |
| two pairs turning and two pairs sliding |
| one pair turning and three pairs sliding |
| all four pairs sliding. |
9.Typewriter constitutes |
| machine |
| structure |
| mechanism |
| inversion |
| none of the above. |
10.If D1 and D2 be the diameters of driver and driven pulleys, then belt speed is proportional to |
| D1/D2 |
| D2/D1 |
| 1-D2. |
| D1 |
| D1+D2. |
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