The distance by which the __________ of the D-slide valve overlaps the steam port is called exhaust lap.

The distance by which the __________ of the D-slide valve overlaps th

1.	The distance by which the __________ of the D-slide valve overlaps the steam port is called exhaust lap.
A.	Inner edge
B.	Outer edge
C.	Corners
D.	None of these
Answer» B. Outer edge

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The distance by which the __________ of the D-slide valve overlaps the steam port is called exhaust lap.

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