Answer / avd

Close loop control system requires additional feedback device. Hence it is more expensive but accurate.

WHY SPEAKER OUTPUT IN WATTS??

2 Answers  

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In electrical what is earth(ground)connection, wht is the importance of it, why it is recomended to maitain below 3VAC between Neutral and earthspecially in PLC used machines?

0 Answers   Nissan,

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Please help me regarding my one concern. - During earth pit testing we noticed that the Clean earth pit and dirty earth pit showing continuity (Resistance value - 5ohm) . I want to know that if both earth pit have separate location and there is not internal looping between PIT then why such continuity is showing on it . Because of this issue the field side all earthing point showing short. In PLC panel we are providing two types of earthing cable which is coming from separate earth pit (Clean and Dirty earth pit) because of earth PIT showing short our PLC is not complying spec . please help regarding this issues.

0 Answers  

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what is the working principale of air circuit breaker ?

5 Answers  

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What type of motor is used inside computer CPU.

11 Answers   Bhel, TCS,

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Difference between PLC and SCADA ? What are merits & De-merits of PLCs ? What are merits & De-merits of SCADAs ?

3 Answers   Ambuja,

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Which power will flow first if we switch on a motor Active or Reactive? How?

3 Answers  

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For 35 HP motor how much amount of capacitor should be on in kvr to reduce the current bill

1 Answers  

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Why generator field rheostat is set to maximum position and motor field rheostat is set to minimum?

5 Answers   Bhel, College School Exams Tests, TCS, Texas,

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How to Prepare preventive maintenance shedule of machine tool.

0 Answers   Concast,

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In generation,transmission and distribution voltage frequency is either 50HZ or 60 HZ;why are only these frequencies?

2 Answers  

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how many amps in 1 KVA? V=440v, PF=0.8 and FREQ=50Hz

22 Answers  

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