Electrical Machines If a DC Series motor is connected across an AC supply it will run at normal speed. not run. burn. run at lower speed. run at normal speed. not run. burn. run at lower speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For small value armature current Ia the torque developed by a DC series motor is proportional to Ia. Ia2. 1/Ia. √Ia. Ia. Ia2. 1/Ia. √Ia. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of a compensated DC series motor, the compensating winding is provided In parallel with the field winding. In parallel with the armature winding. In series with the armature winding. As a separate unit. In parallel with the field winding. In parallel with the armature winding. In series with the armature winding. As a separate unit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 440 V, 3-phase, 10 pole and 50 HZ synchronous motor delivering a torque of 50 N-m, delivers a power of 100W 3000W 500W 1000W 100W 3000W 500W 1000W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature resistance control method is used for the _______ ? above rated speed None of these both 1 and 2 below rated speed above rated speed None of these both 1 and 2 below rated speed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eb/V ratio of a DC motor is an indication of Starting torque. Effiency. Running Torque. Speed regulation. Starting torque. Effiency. Running Torque. Speed regulation. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS