1 Flashcards
(8 cards)
1
Q
Minimum velocity of water to prevent silt buildup in a power canal?
A
2-3 f/s
2
Q
After a compressor is bled-off, the reactivation process takes…
A
As long as the compressor takes to recharge the accumulator
3
Q
Flanged joints have what component which makes them water-tight?
A
Gasket
4
Q
To achieve a higher velocity, the cross-sectional area of the conduit can be _____ for a given flow
A
Smaller
5
Q
What type of turbine has variable vanes?
A
Deriaz
6
Q
Line designed to supply necessary water to form a seal?
A
Gland seal
7
Q
What do the taps on a transformer allow?
A
Voltage to be verified
8
Q
Protective relays are classified by
A
The function they perform
