PHEP 11 Flashcards

1
Q

A hydraulic turbine governor must maintain a balance between the

A

water input to turbines and the power requirements on the system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Governor settings and responses must take into consideration

A

all of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Any change in the position of the flyballs is transmitted to the pilot valve by the

A

speeder rod

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The compensating dashpot is inserted in the

A

restoring mechanism linkage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

The compensating dashpot serves to prevent over travel or hunting of the gates by re-centering

A

pilot valve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The rate at which the smaller plunger of the compensating dashpot returns to normal is usually determined by the setting of the

A

Needle valve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The adjustment provided in the speed adjusting linkage to cause the governor to add speed adjustment in the lower direction as the gates open wider is called the

A

speed droop adjustment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The governors of units designated to regulate system frequency will generally have speed droop settings closer to

A

0%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

An isochronous governor is one that has

A

zero speed droop

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Governor safety devices usually serve to

A

any or all of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly