Electrical Machines In DC generator on no-load, the air gap flux distribution in space is triangular. pulsating. sinusoidal. flat topped. triangular. pulsating. sinusoidal. flat topped. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In the V curve shown in figure below for a synchronous motor, the parameter of Y and X coordinates are, respectively Armature current and field current. Power factor and field current. Torque and field current. Armature current and torque. Armature current and field current. Power factor and field current. Torque and field current. Armature current and torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The principle of dynamically induced emf is utilized in thermocouple. transformer. generator. choke. thermocouple. transformer. generator. choke. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If direct axis reactance Xd and quadrature axis reactance Xq are equal, then reluctance power is zero maximum All of these minimum zero maximum All of these minimum ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The emf induced in a conductor rotating in a bipolar field is both of above. DC. AC. None of these both of above. DC. AC. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following motors DC excitation is not required? reluctance motor 3-phase synchronous motor 3-phase synchronous generator hysteresis motor reluctance motor 3-phase synchronous motor 3-phase synchronous generator hysteresis motor ANSWER DOWNLOAD EXAMIANS APP
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