Electrical Machines The torque speed characteristics of a AC servomotor is approximately linearised hyperbola parabola any of the above linearised hyperbola parabola any of the above ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC generator can be considered as power pump. prime mover. rotating amplifier. rectifier. power pump. prime mover. rotating amplifier. rectifier. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator if field winding attains the critical resistance machine will generate maximum voltage. field winding will burn. machine will generate maximum power. the voltage generated will be zero. machine will generate maximum voltage. field winding will burn. machine will generate maximum power. the voltage generated will be zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformers operating in parallel will share the load depending upon their efficiency. rating. percentage impedance. leakage reactance. efficiency. rating. percentage impedance. leakage reactance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of these types of motor is used in elevators? DC compound motor. DC shunt motor. None of these. DC series motor. DC compound motor. DC shunt motor. None of these. DC series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following will vary the maximum torque? both 1 and 2 rotor resistance R None of these rotor reactance X both 1 and 2 rotor resistance R None of these rotor reactance X ANSWER DOWNLOAD EXAMIANS APP