Answer Posted / subhash kumar

These are the vibration dampers which are installed to
protect the insulators

what is quality factor in series resonance circuit and calculate the factor of voltage magnification? how it happens?

2019

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Define the term factor of inertia.

2185

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how to select the no. of brushes in a lap winding?

2243

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EXPLAIN WHY THE SURGE CURRENT RATING OF AN MCCB OR CIRCUIT BREAKER DECREASES WITH INCREASE IN THE RATING OF MCCB OR CIRCUIT BREAKER.

2066

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could an induction motor be used for regenerative braking in electric-train control? in this type of application would some scheme have to be devised to obtain low synchronous speeds while braking? would induction-motor drive, therefore, be suitable for passenger service?

2081

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Phase control and integral control are used for?

2393

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whether fibre optic cable in high voltage earth conductor is used for protection circuits

1670

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Why frequency changes due to load variation in power system ? i.e why when load increases frequency decreases?

1969

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When distance between two pulleys is not fixed, the tension of belt is adjusted by a) driver shaft b) driven shaft c) adjustment screw d) belt

3063

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why lightning arrestor are made in two stack of insulator but why not cvt

2122

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What size cable (based on voltage drop) is required to supply a 40 A three phase boiler if the wiring system is 75V single insulated cables installed in non-metallic rigid conduit 56m from the main switchboard? Voltage drop in the consumer's mains is 8V.

2030

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wht is embedded systems? what is new inthis field?

2057

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Which type of motor is used in trains, what is the rating of supply used explain working principal?

1336

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what is meaning of 230volts ac 50hzs ac supply is it rms or maximum to getting ac 230v what amount of max voltage they will send

2116

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Define end float in a motor?

5987

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