Answer Posted / siddu r

earthing problem.
so we connect earthing for body

Give atleast 20 alternating current apparatus and devices.

1719

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When calculating the speed of a rotor required for a particular frequency of synchronous generator we use the equation 60f/p Is this p is the number of pole pairs of rotor & do we consider the number of pole pairs in the stator is 1?

1927

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Why an ac solenoid valve attract the plunger even though we interchanges the terminal? Will the poles changes?

1154

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what is meant by skew width in machines?

2152

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How to select circuit breakers rating eg. if i select a circuit breakers of capacity 40 amps DC with operating voltage 28 volts and if i what to use same circuit breakers for 300 Volts DC application what is the current rating of this circuit breakers.

1678

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What is open delta Xformer? It's adavntages & Use?

2180

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my UPS suddenly goes off and all panel light also blow off.This happens even main electric supply is not interrupted.After some time it automatically starts functioning normally.Batteries are new.

1998

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at which voltage level arcing ground is occurs ??????????

1990

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1.what is the difference between ct and cvt? 2.what is the difference between pt and cvt? 3.what is the difference between relays and circuit breakers?

2701

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how to extend relay operating timing in 24V dc relay card (without using Timer )

1934

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What is time invariant system?

1104

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If we are given a 10 amp cable type and asked to calculate the number of cores used and the thickness of the cable, how do we do it?? please help...urgent!! i hope the question is clear enough!!

1756

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What is the Difference between Ac Drives and Dc Drives? According to application, speed, Torque, cost, Reliability, Construction, Motor etc... Thankyou !!!

2122

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why Lightening Arrester Probe sharp at Top of telecom tower.

1500

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What are the uses of lead compensator?

1109

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