Explain the function of VFD

10 Answers   Dalkia,

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What is the difference between PT for metering and PT for protection ?

3 Answers   Dewan Cement,

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i work as a technician at a private company.. i used to take amp reading for certain appliances such as air con.. the problem is when i clamp the neutral, wire there is a current reading.. from my understanding for single phase system neutral should not have current unless if the circuit is not complete.. yet the air con still work

3 Answers  

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how desiel generate sart fail of eb?

0 Answers   OPG, Wipro,

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megger generates D.C. voltage while earth tester generates A.C.voltage is it true? I know for megger it is D.C generator but what about earth tester?

4 Answers   IOCL,

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Baud rate is used to descrice...?

2 Answers  

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6. A DC AMMETER HAS R=0.1 OHM & CURRENT RANGE IS 0-100 A IF THE RANGE IS TO BE EXTENDED TO 0-500 A THEN METER REQUIRES SHUNT RESISTANCE OF ..........

2 Answers   SSC,

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What is the difference between 2 wires RTD's and 3 wires RTD's.Kindly explain the wiring diagram.

1 Answers   QAFCO,

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what is difference between Motorised MCCB & ordinary MCCB?

4 Answers   TCL,

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Name of the relay of low lub oil presuure in DG sets

0 Answers   Lineage, Sterling,

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How can we do megger test of cable??

2 Answers  

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why we connect the capacitor bank in star , not in delta in any system

2 Answers  

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