Electrical Machines
Under which of the following conditions is a dc motor provided with compensating winding used ? 1. Wide range of speed control above normal 2. Wide range of steady load variation with no speed control 3.Wide range of rapid variation in load Select the correct answer using the codes given below : Codes :

 1 and 3
 2 and 3
 1 and 2
 1, 2 and 3

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Electrical Machines
Which is the arrangement of windings in a core type single phase transformer?

 Half hv inside and half lv outside on each core limb
 Half lv inside and half hv outside on each core limb
 Sandwiched lv and hv discs on each core limb
 Lv on one core limb and hv on the other

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