
Engine_2014 : Steam Plants - 682/1951 |
---|
« Previous Question |
Sound is produced by the illustrated device by the __________. |
A) vertical vibrating movement of "E" |
B) high speed rotation of "B" |
C) rapid oscillation of "B" |
D) rapid input of steam or air through "F" |
loading answer...
Illustration GS-0099
Comments |
---|
There are no comments for this question. |