A and B, working separately, can do a piece of work in 10 and 15 days respectively. If they work on alternate days beginning with A, then in how many days will the work be completed? (a) 18 days (b) 13 days (c) 12 days (d) 6 days1 2738
i want all prevoius question papers of tax assistant examination26 18950
i am appearing an examination of assistant inspector of excise and the matter of fact is, i have no clue. can anyone help me out with likely questions?????1545
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ii) A shunt motor supplied at 230V, runs at 900 rpm when the current is 30A. The resistance of the armature is 0.4 ohms. Calculate the resistance required in series with the armature to reduce the speed to 600 rpm, assuming that the armature current is then 20A. 
In single phase ac ups supply when current is measured with tong tester neutral current is found more than phase current.What is the reason?
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generally in LT and MV motors we are using 3.5Coresx16,25,35,50 etc cable for supply.although motors is earthed at two point and having all protection.then why we are using that 1/2 core for earthing the motors.while in HT cable we are using only 3core cable for motor supply.generally lt and mv motors are delta connected and ht motors having star connection.whethere it is having any relation with winding connection( star or delta).all motors i am talking about are dol only.can anybody solve my confusion.thanks...
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