I have applied the post Junior Engineer-iii(c&w)in R.R.B chennaI recently . can i get any model question paper LAST 4 YEARS?

2 Answers   Data Entry Operator, RRB, SSC,

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The ripple frequency in output of fullwave bridge rectifier is a. Half the input b. Twice the input c. Same as input

0 Answers  

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refrigeration cycle?

1 Answers   MAHINDRA, Shapoorji Pallonji Group(SPCL),

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how to calculate 'In'in a system?

2 Answers  

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What we change frequency from transformer. yes or no

3 Answers   Intas,

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different aspects of voltage stability

0 Answers  

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I have 200 KVA Isolation Transformer for UPS input side. & ups was having 48% load, suddenly got short what will be the reason.

1 Answers   Mukand,

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why fuse is not applicable for nutral and what will happen when it applied.

4 Answers  

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How many lightning arrestors to be installed on 50MX60MX10M building and is there any formular for that?

0 Answers  

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What do you mean by transformation ratio of instrument transformer?

0 Answers  

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why core of transformer in square or rectangular why not in circle or ellipse if this what happens

2 Answers  

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How big (size) can the tertiary winding be in transformer? Can we load the tertiary winding, if yes then how much we can load it?

1 Answers  

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