Which of the following are the important limitations of rod gap surge arresters

Which of the following are the important limitations of rod
gap surge arresters?
1. They are not capable of selling off power frequency
follow up current.
2. After a discharge, the rods are destroyed completely.
3. Performance is affected by climatic conditions.

Use the following codes for selecting the correct answer.
Codes:
(a)1, 2 and 3 (b)1 and 2
(c)2 and 3 (d)1 and 3

Question Posted / nawal kishor

1 Answers
5590 Views
I also Faced
E-Mail Answers

Which of the following are the important limitations of rod gap surge arresters? 1. They are not c..

Answer / nawal kishor

(d)1 and 3

Is This Answer Correct ?

3 Yes

0 No

Post New Answer

More Electrical Engineering Interview Questions

How can we check ELCB trip current sensitivity How can we check earth resistance value

2 Answers

testing of Vector Group – YNaoD II

0 Answers

What are instrument transformers?

6 Answers

calculate external resistance values to add to the rotor of a slip ring induction motor. STATOR- 415 V, 3 phase delta, 1100 A, 50 Hz, 1490 rpm, pf 0,86 ROTOR - 660 V, 590 A, 50 Hz. STATOR current at each steps STEP1-600A,STEP2- 800A,STEP3-1000A,STEP4-1100A.

0 Answers

what is the function of choke in a tubelight

3 Answers

CAN ANYBODY EXPLAIN WHAT ACTUALLY MEAN BY THE PHASE DEFFRENCE? R,L,C CIRCUITS?

5 Answers

define excitaton voltage and excitation current?

2 Answers Allied Group,

how many earthings will be required for 1 isolator & 2 VCB, which are connected to a 1600 KVA Distribution TRansformer?

2 Answers

what is the formula for calculating of dielectric strength of transformer oil.

2 Answers Bhel,

Why the tank of transformer is made rectangular not circular??