MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
In air friction damping |
| A. | the air pressure opposes the motion of piston when it is moving inwards |
| B. | the air pressure opposes the motion of piston when it is moving outwards |
| C. | the air pressure opposes the motion of piston both when it is moving inwards as well as outwards |
| D. | the air pressure may oppose or aid the motion of piston depending on the design |
| Answer» D. the air pressure may oppose or aid the motion of piston depending on the design | |