Engineering :: Fluid Mechanics and Hydraulic Machines
|
|
|
|
|
|
The advantage of exposed penstock is
|
[A]. |
Safety against sliding | [B]. |
Full exposure to external variation in temperature
|
[C]. |
Expansion joints necessary | [D]. |
Changes of water conveyed being frozen in severe cold climates |
[E]. |
Longitudinal stresses may develop owing to anchorages |
|
|
|
|
|
|