Electrical Machines Armature reaction in a DC machine is in the same direction as the main poles. makes an angle with the main pole axis which is load dependent. is in direct opposition to the main poles. makes an angle of 90° with the main pole axis. is in the same direction as the main poles. makes an angle with the main pole axis which is load dependent. is in direct opposition to the main poles. makes an angle of 90° with the main pole axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, armature reaction refers to what? Effect of armature flux on the main field flux. Effect of armature flux on the load. None of these Effect of field flux on the armature flux. Effect of armature flux on the main field flux. Effect of armature flux on the load. None of these Effect of field flux on the armature flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two DC generators having equal open-circuit emfs but slight different load characteristics are operating in parallel, then None of these the machine with more drooping characteristic will supply more load. the machine will share load equally. the machine with more drooping characteristic will supply less load. None of these the machine with more drooping characteristic will supply more load. the machine will share load equally. the machine with more drooping characteristic will supply less load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed in a cylindrical synchronous machine depends on load angle both 1and 2 synchronous reactance excitation load angle both 1and 2 synchronous reactance excitation ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The main disadvantage(s) of the ward-Leonard system is/are poor overall efficiency. all of above. high maintenance cost. high initial cost. poor overall efficiency. all of above. high maintenance cost. high initial cost. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The core flux in transformer depends mainly on supply voltage and load supply voltage, frequency and load supply voltage supply voltage and frequency supply voltage and load supply voltage, frequency and load supply voltage supply voltage and frequency ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS