Answer Posted / hasan

Online UPS is unterrupted power suppy to the load,
Offline UPS can't ensure uninterrupted power supply, it
depends on the tolerance of the load. For any sophisticated
equipment (medical equipment), Online UPS is recommended.

How to calculate no of EARTH PIT? Describe the formula as per IS standard?

3728

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How many types of oil using in H/T & L/T Oil Circuit Breakers. need Explenation ?

2823

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we have a 2.5hp Starite electric motor water pump,the elec motor burned out,we need to replace starting capacitor(old capacitor specs erased),what microfarad rating capacitor do we need? 110-125V

1815

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Brief me about maintenance planning & sheduling of machine tool.

2086

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Is it possible to measure correct value of earth resistance & cable insulation ristance with out disconncting earth lead & both sides of cable ends? If not, any other method to measure ER & CIR with out disconneting from the system.

2056

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3 phase induction motor connection star or delta while using ac drive motor is .75 to 5.5 kw

1912

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for opening electrical shop, tips needed.

1778

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Can anybody post questions asked in Engineers India Limited Interview? Thanks in advance.

2331

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how does a submersible pump work..?

1890

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A system absorbs 100 k J of heat and the increase in its internal energy is 100 kJ; the work done is

1227

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what is active power & reactive power?

2126

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What is the difference between solid grounding and impedance grounding?

2029

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draw the block diagram of fire alarm?

5378

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Define thermal resistance in the context of power amplifier.

1076

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current transformer balance the power level on both sides. e.g in case of step up, at secondary side voltage rise but current decrease and vice versa in case of step down transformer. but how this power level remains same in case of current transformer and voltage transformer

1548

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