Fundamentals Of Protective Relaying
10 Questions
SGP Quiz1
Questions and Answers
- 1.How much % the reliability of the relay manufacturer provides?
- A.
80%
- B.
90%
- C.
95
- D.
100
- 2.In distance Protection how many electrical parameters relay measures?
- A.
1
- B.
2
- C.
3
- D.
4
- 3.In induction relays, Torque is produced due to [Blank] between the rotating flux and the eddy current
- 4.The quantities by which the relay operates
- A.
Current
- B.
Voltage
- C.
Temperature
- D.
Distance
- E.
Speed
- 5.[Blank]scheme is a scheme that operates for a fault within its zone. The differential protection scheme is the best example of this type of protection scheme.
- 6.In which relays measured ac quantity are sequentially sampled and converted into numeric form
- A.
Numerical
- B.
Digital
- C.
Static
- D.
Electromagnetic
- 7.The zones of protection are overlapped
- A.
To protect all equipment
- B.
To have minimum relays and CB
- C.
To avoid blind spot
- D.
For transmission linesÂ
- 8.Attracted armature type relays can be energized either by AC or DC supply.
- A.
True
- B.
False
- 9.Faults occurring are mostly are
- A.
LL
- B.
LLG
- C.
LG
- D.
LLL
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