An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The rotor frequency at maximum torque point is A 3.33% B 4.44% C 5.55% D 6.66%

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bsnl tta exam question

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What is the make of breakers, transformers, generators? What are their capacities and ratings?

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what are the ''pitting rings''and how cn they be controlled in a series generator

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at high temperature conductivity increases for conductor what will happen for long transmission when temperature is high?

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how much rating of fuse and MCB should be used for a load consisting of 6KW and 18KW inductive load?

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Whether the LIGHTNING is AC or DC?

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How we connect capacitors in Fixed Series compensation of AC transmission lines. Whether in parallel or in series?

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In Indian Household, generally we receive 220V AC single phase supply. But AC has 2 phases, +ve & -ve. So in +ve half cycle current is flowing...so what happens in the -ve half cycle?? Please illustrate.

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how can we calculate that how much capacitor is needed for a system to increase the pf?

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meter ratio is 100/5 CT ratio is 125/5, when the ratios changes i.e., CT ratio is 125/5 meter ratio is 100/5 what is the MF in boths conditions?

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Is there any reason that a vertical motor can not be mounted horizontally ? I happen to have one and would like to use it horizontally to save money by not buying a new horizontal motor.

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