Electrical Machines At stand still condition the value of slip is 0 1 finite value infinite value 0 1 finite value infinite value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The use of double squirrel cage winding on the rotor provides reduced starting torque. a large starting torque. higher efficiency. low noise. reduced starting torque. a large starting torque. higher efficiency. low noise. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a 3-phase, 4 pole, 50 Hz synchronous motor the frequency, pole number and the frequency are halved. The motor speed will be 75 rpm 1500 rpm 375 rpm 3000 rpm 75 rpm 1500 rpm 375 rpm 3000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is the largest conversion device? DC machine Induction machine Synchronous machine All of these DC machine Induction machine Synchronous machine All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the full load speed of 3-phase, 50Hz induction motor is 950 rpm, what is its half load speed nearly equals to? 940 rpm 950 rpm 1000 rpm 975 rpm 940 rpm 950 rpm 1000 rpm 975 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flashing of DC generator means None of these increasing flux density by providing extra ampere-turns in field. neutralization of residual magnetism. creation of residual magnetism by a DC source. None of these increasing flux density by providing extra ampere-turns in field. neutralization of residual magnetism. creation of residual magnetism by a DC source. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS