Calculate the H.P.(metric)m of the major and the current taken from a 230 V d.c ?

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Calculate the H.P.(metric)m of the major and the current taken from a 230 V d.c ?



An electric crane raise a load of 5 tonnes to a height of 30 meters in one minute. Calculate the H.P.(metric)m of the major and the current taken from a 230 V d.c. supply if the efficiency of the crane is 75% and of the motor 85%.



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