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HT Breaker means High tension breaker which is used for protection of our transformer before LT or x-mer we use RMU (ring main unit ) for transformer protection,if we don't use HT breakers then we use DO fuse for x-mer protection which will blow due to excess current.We also use VCB at switch yard for protection purpose.

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0 Answers   Aliens Group,

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Basic questions asked in HPCL(instrumentation) in refinery section

1 Answers   HPCL,

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i want to design tap changer for 15kv to 0.4kv steepdown transformer then how can i calculate tap number required

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Corona occurs more in winter or rain?

1 Answers   UPPCL,

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1 Answers   ACC,

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Question 96 - In infrared spectrum, one of the factors affecting peak location is the mass of the atoms. The stretching frequency of a bond connected to a lighter atom will be greater than the same bond connected to a heavier atom. (a) For halogens like florine (F), chlorine (Cl), bromine (Br), iodine (I) and astatine (At), what is their IUPAC group number? Hint : The proton numbers for F, Cl, Br, I and At are 9, 17, 35, 53 and 85 respectively. (b) For the compounds of H-F, H-Cl, H-Br, H-I and H-At, which one has the lowest stretching frequency and which one has the highest stretching frequency? State the reasons.

1 Answers  

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If I installed wrong directions orifice plate then what showing value d.p transmitter in D. C. S. ?.....

0 Answers   TCL,

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0 Answers   SCII,

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Question 97 - Two viruses a and b with masses of Ma and Mb are moving at velocities of Va and Vb respectively, facing towards each other and collide. After collision both masses of Ma and Mb disappear. (a) Find the total momentum available for both a and b. Hint : momentum = mass x velocity = M x V. (b) Guess the total energy E generated from the disappearance of a and b. Let c to be the velocity of light. Hint : E is equal to M c square.

1 Answers  

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