MCQOPTIONS
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MCQOPTIONS
| 1. |
In a pneumatic bellows |
| A. | the input surface, output surface and side walls are corrugated |
| B. | the input surface and output surface are flat but the side walls are corrugated |
| C. | the input surface and side walls are flat but the output surface is corrugated |
| D. | the input surface and output surface are corrugated but the side walls are flat |
| Answer» C. the input surface and side walls are flat but the output surface is corrugated | |