Engineering :: Machine Design
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| 311. |
For a transverse load on a fillet weld of equal legs, the plane of maximum shear force occurs at |
Answer: Option C
Explanation:
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| 312. |
Poisson's ratio for steel is |
Answer: Option B
Explanation:
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| 313. |
Poisson's ratio for rubber is taken as |
Answer: Option C
Explanation:
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| 314. |
A section is subjected to reversal of stresses. Choice exists for selecting any of the following section. Which one should be selected? |
| A. |
Hollow pipe |
B. |
Equal angle iron |
| C. |
Unequal angle iron |
D. |
T-section |
| E. |
Channel section |
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Answer: Option A
Explanation:
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| 315. |
Which of the following gears are free from axial thrust? |
| A. |
Worm gears |
B. |
Herringbone gears |
| C. |
Spiral gears |
D. |
Helical gears |
| E. |
Bevel gears |
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Answer: Option B
Explanation:
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| 316. |
In case of spur gears, the back lash depends on |
| A. |
Module |
B. |
Pitch line velocity |
| C. |
Tooth profile |
D. |
Both (A) and (B) above |
| E. |
None of the above |
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Answer: Option D
Explanation:
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| 317. |
Which type of gears are preferred for low noise applications? |
| A. |
Spur gears with cycloidal profile |
B. |
Spur gears with involute profile |
| C. |
Bevel gears |
D. |
Helical gears |
| E. |
Any of the above |
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Answer: Option D
Explanation:
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| 318. |
Cycloidal profile gears are used in |
| A. |
Automobiles |
B. |
Aircraft |
| C. |
Machine tools |
D. |
Watches and clocks |
| E. |
Toys |
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Answer: Option D
Explanation:
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| 319. |
Maximum efficiency expected in case of single mech supr gears is around |
Answer: Option A
Explanation:
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| 320. |
Maximum gear ratio in case of single mesh spur gears is expected to be around |
Answer: Option A
Explanation:
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