Electrical Machines In a 6 pole DC machine, 90 mechanical degrees correspond to which of the following electrical degree? 180. 45. 30. 270. 180. 45. 30. 270. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which machine is used for battery charging? DC shunt generator. Compounded DC generator. DC series generator. None of these. DC shunt generator. Compounded DC generator. DC series generator. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The change in speed of a DC generator due to increased load is corrected by increasing terminal voltage. increasing armature cooling. increasing armature resistance. increasing input power of the prime mover. increasing terminal voltage. increasing armature cooling. increasing armature resistance. increasing input power of the prime mover. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What type of dielectric material is used in capacitors used for fans and for power factor correction? Mica. Vacuum. Oil impregnated paper. Glass. Mica. Vacuum. Oil impregnated paper. Glass. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A series motor is efficiently suitable for constant speed operation. low starting torque operation. none of these. high starting torque operation. constant speed operation. low starting torque operation. none of these. high starting torque operation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the temperature of armature resistance is increased, the speed of a series motor would None of above. not change. decrease. increase. None of above. not change. decrease. increase. ANSWER DOWNLOAD EXAMIANS APP
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