Electrical Machines Swinburne's test is applicable to DC series motor. DC shunt and level Compound motor. DC compound motor. DC Shunt motor. DC series motor. DC shunt and level Compound motor. DC compound motor. DC Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 200 V DC machine supplies 20 A at 200 V as a generator. The armature resistance is 0.2 Ω. If the machine is now operated as a motor at same terminal voltage and current but with the flux increased by 10%, the ratio of motor speed to generator speed is 0.87 0.95 0.96 1.06 0.87 0.95 0.96 1.06 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following transformer insulating oil generally used in India? Paraffin based insulating oil. Aromatics based insulating oil. Naphtha based insulating oil. Olefin based insulating oil. Paraffin based insulating oil. Aromatics based insulating oil. Naphtha based insulating oil. Olefin based insulating oil. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole DC shunt generator having a wave winding supplies 50 lamps, each of 60 W at 120 V. The armature and field resistance are 0.2 Ω and 60 Ω respectively. The current in each armature conductor is 11.5 A. 27 A. 23 A. 13.5 A. 11.5 A. 27 A. 23 A. 13.5 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What type of dielectric material is used in capacitors used for fans and for power factor correction? Oil impregnated paper. Mica. Vacuum. Glass. Oil impregnated paper. Mica. Vacuum. Glass. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC series generator, the terminal voltage with increase in load will increase gradually and then stay at rated voltage decrease remain nearly constant increase to rated voltage and then may decrease increase gradually and then stay at rated voltage decrease remain nearly constant increase to rated voltage and then may decrease ANSWER DOWNLOAD EXAMIANS APP
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