Answer / ashish patil

For Operation of buzzolz relay it required loe liquid level
& formation of gases which can operate float,but in case of
PRD it required pressure with high capacity then PRD operate

Answer / abhishek goyal

when the short ckt or any other fault happening into the
transformer it will detected by the buchhloz relay (gas will
accumulate into the relay). if pressure into the tank is
above the set point of PRD/PRV it will activate. both are
safety device one can sense the gas other one can sense the
pressure.

if a.c supply is given to the motor,, what happen?

0 Answers   Bhel, L&T, MSEB,

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Is it alright to connect more than one RCCB of same rating in series for a three phase equipment?

3 Answers  

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what is the difference between power transformer & distribution transformer and what are their ratings respectively?

4 Answers  

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What are the advantages of autotransformer?

0 Answers  

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What is the meaning of dedicated earthing?

0 Answers   Dabur,

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What happens if we give ac supply to dc shunt and series motors individually

4 Answers   Essar,

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What is GD2(kg-m2) for Sq. cage ind. motor?

2 Answers   ABC, Essar, MMM,

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If we want the fan to consume less electricity at low speed, what do we have to do?

1 Answers  

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What is difference between slip rings and carbon burushes?

2 Answers   Hyundai, IVRCL,

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WhY PF low at Time of PT Missing in HT Meter

2 Answers   HCL,

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How to implement 6 output with 3 input NAND gate?

1 Answers  

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What type of changeover switch needed to run a load of five 1.5 tonn ACs.

1 Answers  

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