Question asked in prototech first round

0 Answers   Protech,

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can DOL used with slip ring motor?

0 Answers   NTPC,

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explain ht breaker in a detailed way??

1 Answers   Reliance,

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speed control by the variation of field flux result in 1- constant power drive 2-variable torque drive

1 Answers  

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Why we make body earthing of transformer and what will be the size of the copper wire for this purpose related to KVA Capacity of the Transformer as per code.

0 Answers  

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How does an Accumulator works?

0 Answers   Heavy Engineering Corporation Ltd HECL,

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why water first pass to sac then sba

1 Answers   ACC,

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how we can calculate the load appeared on programable logic controller.and what is the method to calculate the scan time of PLC.

0 Answers   Siemens,

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what is the work of commutator and brush in motor

0 Answers  

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How can u find reactive loads(Kvar)?

0 Answers   econ,

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alternator make voltage 120 degree. as we change degree ex. 100 and 160 or other degree then voltage make. yes or no and why

0 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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