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.

What is Ohms law?

28 Answers   College School Exams Tests, KPTCL, L&T,

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what is the function of DC panel in substation?

4 Answers  

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I have a 3 phase 600 volt prim. feed and a 120/208 sec. Isolateing tranformer .We are using this system for safety against shock . What is the proper grounding ?? Does the common on sec. get earth ground ???

1 Answers  

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Please give me a ansver for why currant transforme noe point should erthing

1 Answers  

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1) What is difference b/w impedence relay and differential relay? 2) what are substations equipments? 3) what is difference b/w circuit breaker and isolator? 4)what are the types of circuit breakers? 5) which medium is mostlty used in circuit breakers and why it is used?

1 Answers   NTDC,

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sir please send me previous year questions of jspl through which i could prepare myself fpr the test.

64 Answers   FGH, HFT, Jindal, Jindal Steel and Power, JSP, JSW, Lin Engineering,

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What is LOTO?

6 Answers  

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how much current will be drawn by 3 phase, 415v, 50 hz, 20 ton central ac

3 Answers  

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If an induction motor is restarted before its rotor stop rotating, then what will be the amount of current drawn? Is this current will be the same as motor starting current?

5 Answers  

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The magnitude of sum of two sinusoidal av voltage is equal to 230 volt.the magnitude of each individual voltage is also equal to 230 volt.what must be the phase difference between voltages?

0 Answers   PGVCL Paschim Gujarat Vij Company Limited,

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how much air gap in induction motor as per the Indian standards?

1 Answers   Coast Guard,

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What is the function of RCBO? What are the different sensitivity ratings & each application?

0 Answers   L&T, Legrand,

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