A strong, well defined sound developed by the steam whistle, shown in the illustration, is obtained by adjusting the __________. See illustration GS-0099.
A
operating lever stroke
B
whistle valve travel
C
position of the back cover
D
number of diaphragms
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Question 1 / 205eccef9cbacbc34ba4d45adc
Question 1 of 205eccef9cbacbc34ba4d45adc
A strong, well defined sound developed by the steam whistle, shown in the illustration, is obtained by adjusting the __________. See illustration GS-0099.
A strong, well defined sound developed by the steam whistle, shown in the illustration, is obtained by adjusting the __________. See illustration GS-0099.