Answer Posted / guest

air circuit breaker is widly used for arc extingusar

Is any generator is developed which is operated with out diesal or other expensive source?

2058

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What will be advantage if we put some load in neutral of grounded star transformer & loadshortcircuit current,rated current of cable & MCB with example?

1796

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What is expention fastener (Fan)

1977

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Why current shoots up in the secondary on the knee point voltage during saturation test of CT? How core saturation effects the secondary current (while the primary side is open)? What the logic behind this?

1952

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Do any one know exacatly when the results for NHPC held on 8th march 09 for engineering trainees will be released ?. if so please post it, i'm eager to know it.

2091

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Formulae for calculating the transmission line losses for different voltage levels

2110

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Type of motor stater detail and working detail

1613

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Sir, I have applied for the of Assistant.engineer of NPDCL. please send me all AP TRANSCO AND JENCO solved papers of previous exams . I requested send me the papers to my id as soon as possible (rajanikanth_peddi@yahoo.co.in) (This is very urgent) Thank You,

2850

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application s to shunt coil

1865

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Mention what are the types of semi-conductors?

1140

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if main CT is of ratio 50/5, and meter CT is -/5 what will be overall multiplying factor of meter.PT is 11000/110 .

1611

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types of central Air conditioner plant?

2094

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In our plant we have installed new MCC with ELR and CBCT which is detecting some leakage current in the system but it leading to some confusion when to check that in which feeder which is drawing current we put off the whole panel itself but still CBCT detecting some leakage current so can anybody ans me , where i am going wrong or how to detect whether its actual leakage or CBCT malfunctioning.

2202

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What is dynamo function in DG sets and draw block diagram?

1980

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Who many reason of ignition fail ?

1901

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