Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. What is the slip value? 0.04 0.4 0.02 0.2 0.04 0.4 0.02 0.2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following induction motor has the highest starting torque? None of these Same in both induction motors. Squirrel cage induction motor. Slip ring induction motor. None of these Same in both induction motors. Squirrel cage induction motor. Slip ring induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 2 pole lap winding dc machine , the resistance of one conductor is 2Ω and total number of conductors is 100. Find the total resistance 100Ω 10Ω 200Ω 50Ω 100Ω 10Ω 200Ω 50Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A frog leg winding is used in a DC machine to eliminate the use of compensating winding. reactance voltage produced due to communication. the use drum winding. the use equalizer in lap winding. the use of compensating winding. reactance voltage produced due to communication. the use drum winding. the use equalizer in lap winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lap winding is prefered for which type of machines? high current and high voltage low current and low voltage low current and high voltage high current and low voltage high current and high voltage low current and low voltage low current and high voltage high current and low voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V, DC shunt motor is operating at a speed of 1440 rpm. The armature resistance is 1.0 Ω and armature current is 10 A. of the excitation of the machine is reduced by 10%, the extra resistance to be put in the armature circuit to maintain the same speed and torque will be 1.8 9 Ω 1.79 Ω 3.1 Ω 2 .1 Ω 1.8 9 Ω 1.79 Ω 3.1 Ω 2 .1 Ω ANSWER DOWNLOAD EXAMIANS APP
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