Electrical Machines Which of the following relation is correct? Xd = Xq. Xd < Xq. Xd > Xq. None of these Xd = Xq. Xd < Xq. Xd > Xq. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cross magnetization effects which of the following? reduction in main field flux both 2 and 3 commutation reduces the terminal voltage reduction in main field flux both 2 and 3 commutation reduces the terminal voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC motor can be determined by Lenz's law. Fleming's left hand rule. Fleming's right hand rule. Ampere's law. Lenz's law. Fleming's left hand rule. Fleming's right hand rule. Ampere's law. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following machine is invariably provided with forced ventilation? 50 MW generator in a power plant. Fractional horse power slow speed motor. Fractional horse power high speed motor. Hermetically sealed motor of refrigerator. 50 MW generator in a power plant. Fractional horse power slow speed motor. Fractional horse power high speed motor. Hermetically sealed motor of refrigerator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If an induction machine is run at above the synchronous speed it acts as a synchronous motor an induction generator an induction motor None of these a synchronous motor an induction generator an induction motor None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At slip s = 1 torque developed in machine is none. maximum torque. electromagnetic torque. starting torque. none. maximum torque. electromagnetic torque. starting torque. ANSWER DOWNLOAD EXAMIANS APP
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