ro plant grundfos bm30type pump.we start the pump using siemens 3rw 4423-1bc44, 30kw soft starter. bur its failier frequently. so we planed to change the dol starter. sp please tell me any budy its possible or not翿შ†

1 Answers  

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When distance between two pulleys is not fixed, the tension of belt is adjusted by a) driver shaft b) driven shaft c) adjustment screw d) belt

0 Answers   BMRCL,

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how we can convert 3 phase to single phase without using any transformer

8 Answers  

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What is the basic difference among Circuit breaker,Contractor and Isolator? Are they different names of same device/equipment?

2 Answers  

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explain why the armature voltage changes when the field rheostat is varied in self excited DC generator

2 Answers  

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What is resolver and glass scale in CNC how they work?

0 Answers  

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how many voltage or current enough to kill a person?

12 Answers  

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i am gng to visa interview this july i have 4 backlogs gre 1010,toefl 75,pls give me the tips pls pls

0 Answers  

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why we use to transmit the power in three phases intead of single phase ?

5 Answers  

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If the supply voltage is same (say 440V) whether a system designed for 60 Hz frequency will work with 50 Hz frequency or not , if so pl. give clarification.

11 Answers   ABB,

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wht is the purpose of the earth electrode other then earthing

1 Answers  

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How much should be the load percentage for 15kva Inverter and Iinut & I output load with Calculations

0 Answers   IBM,

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