Electrical Machines If input of a transformer is square wave the output will be triangular wave. sine wave. square wave. pulsed wave. triangular wave. sine wave. square wave. pulsed wave. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Methods of synchronizing of alternator may be done by all of these. all dark lamp method. one dark two bright. all bright lamp method. all of these. all dark lamp method. one dark two bright. all bright lamp method. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor normally does not depend on rotor speed. core loss component. shaft torque. synchronous speed. rotor speed. core loss component. shaft torque. synchronous speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC Shunt Motor having armature resistance of 0.5 Ω and 2A armature current at no-load, when the armature current is changed to 20A at loaded condition the speed is 1000 r.p.m. What is the speed at no-load? 1037.5 r.p.m. 963.8 r.p.m. 1130 r.p.m. 4575.4 r.p.m. 1037.5 r.p.m. 963.8 r.p.m. 1130 r.p.m. 4575.4 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronising power of a synchronous motor varies directly as synchronous reactances Xs inversely as 1/Xs All of these directly as Xs2 directly as synchronous reactances Xs inversely as 1/Xs All of these directly as Xs2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is not suitable for frequent starting and stopping? All of these Resistance split phase motor Capacitor split phase motor Capacitor run motor All of these Resistance split phase motor Capacitor split phase motor Capacitor run motor ANSWER DOWNLOAD EXAMIANS APP