Question

28. A 3600 rpm DC series motor has an armature resistance of 0.422 and a field resistance of 0.18?. If the motor draws 36A from a 240V supply, the mechanical power Pn developed is a) 8640W b 7862.4W (c) 9417.6w (d) 544.32W 29, A DC shunt generator is rated at 200V and 47.5A at 1000 rpm. Ra-0.04? And Ry 802. The generated woltage E, in the armature winding is a)202V b) 210V ()190V (d) 220V 30. The value of the resistance across a,b in the circuit is given by 2 (a) 152 (b) 3 077? (d) 2.772

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GANEla n- 3600 yem 240- at 6(0 42-t0-18) V: 200V 47-S 0 그 200-22-5 0P-202 V てhe eg uivallutsuau land tata (an be made 2. 30. 2 2t2 3t 6

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