Answer Posted / ram reddy

Check For the harmonics Level

Which device is used for the source of emission of electrons in a crt?

1268

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Give the topology of current amplifier with current shunt feedback?

1213

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i am trying to PSUs/govermeant jobs since last 2 years but still i m not success, plz help me.

1939

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If a surge divertor is required to be protected by 32 amp C Curve Circuit breaker does this limit the amount of protection from surges that you will acheive

1796

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what is difference between bus coupler and auto transfer switch

4186

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What is T’Q and X’Q and X’D ? and what is saturated as well as unsaturated ?

1786

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The ripple frequency in output of fullwave bridge rectifier is a. Half the input b. Twice the input c. Same as input

2262

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Can we use 230VAC, 63A MCB for 120VAC, 63A supplied heaters load?

1483

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How to know Resistance and Reactance value of main and aux winding of single phase capacitor start capacitor run induction motor to find capacitor value?

2044

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If we need 4c× 50mm sq cable but it's not available so we can pull 4c×25mm sq two cables?

1416

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A 50Hz,4-pole,3-phase,star-connected synchronous motor has a synchronous reactance of 12ohmsper phase and negligible armature resistances.the excitation is such as to give an open-circuit voltage of 13.2kilovolt.the motor is connected to 115kilovolt, 50hertz supplying. what maximum load can be the motor torque,line current and power factor?

2434

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if a.c supply is given to the motor,, what happen?

2162

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In which of the following case, the rotating magnetic field is reversed? A regenerative breaking B plugging C dynamic breaking D forward motoring

1970

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I want formula to calculate current loss with distance in km.I searched many sites but didn't right answer.Plz reply me

2077

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If we need4× 50mm sq cable but it's not available so we can pull 4×25mm sq 2cables

1479

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