Electrical Machines In synchronous generator a synchronous dead load (lamp, furnaces etc) has no ____________ hence it has no natural frequency of oscillation. damping torque. mechanical rotatory system. synchronizing power co efficient. restoring torque. damping torque. mechanical rotatory system. synchronizing power co efficient. restoring torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in DC generators will result in increase in slip. short circuit. open circuit. reduction in generated emf. increase in slip. short circuit. open circuit. reduction in generated emf. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformers operating in parallel will share the load depending upon their rating. percentage impedance. leakage reactance. efficiency. rating. percentage impedance. leakage reactance. efficiency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The core flux in transformer depends mainly on supply voltage and frequency supply voltage, frequency and load supply voltage supply voltage and load supply voltage and frequency supply voltage, frequency and load supply voltage supply voltage and load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a cumulatively compound DC motor can be controlled by varying Shunt field resistance control. Any of above. Armature voltage control. Armature resistance control. Shunt field resistance control. Any of above. Armature voltage control. Armature resistance control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The emf induced in a conductor rotating in a bipolar field is DC. both of above. None of these AC. DC. both of above. None of these AC. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS