Electrical Machines The starting resistance of DC motor is generally Infinitely large. 1000 ohms. around 500 ohms. Low. Infinitely large. 1000 ohms. around 500 ohms. Low. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Why are capacitors used with large AC induction motor? Improve current level. Improve power level. Improve power factor. Improve voltage level. Improve current level. Improve power level. Improve power factor. Improve voltage level. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Value of specific electric loading of Induction motor is in the range of 5000 - 45000 ampere conductor / metre. 30000 - 100000 ampere conductor / metre. 40 - 400 ampere conductor / metre. 400 - 4000 ampere conductor / metre. 5000 - 45000 ampere conductor / metre. 30000 - 100000 ampere conductor / metre. 40 - 400 ampere conductor / metre. 400 - 4000 ampere conductor / metre. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The voltage regulation of a DC generator at full load being zero implies that the generator is deferentially compounded. series connected. shunt connected. cumulatively compounded. deferentially compounded. series connected. shunt connected. cumulatively compounded. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An 8 pole DC generator has 500 armature conductors and useful flux per pole of 0.065 Wb. What will be the emf generated if it is lap connected and runs at 1000 rpm. What must be the speed at which it is driven to produce the same emf if it is wave wound? 541.67V, 250 rpm. 2166.67V, 230 rpm. 2166.67V, 270 rpm. 541.67V, 200 rpm. 541.67V, 250 rpm. 2166.67V, 230 rpm. 2166.67V, 270 rpm. 541.67V, 200 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The shaft torque of a dc motor is less than the electromagnetic torque because of hysteresis losses. ohmic losses. eddy current losses. mechanical losses. hysteresis losses. ohmic losses. eddy current losses. mechanical losses. ANSWER DOWNLOAD EXAMIANS APP
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