Electrical Machines The inertia constant H of a synchronous condenser is greater than that of hydro generator. equal to that of the effective length of the line. greater than that of turbo alternator. none of these. greater than that of hydro generator. equal to that of the effective length of the line. greater than that of turbo alternator. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If B is flux density, l the length of the conductor and v the velocity of the conductor, then emf is given by Blv. Bl2v2. Blv2. Bl2v. Blv. Bl2v2. Blv2. Bl2v. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 ,V 15 , kW 100 rpm shunt motor with armature resistance of 0.25 , W has a rated line current of 68 A and a rated field current of 2.2 A. The change in field flux required to obtain a speed of 1600 rpm while drawing a line current of 52.8 A and a field current of 1.8 A is 36.36% increase 18.18% increase 36.36% decrease 36.36% increase 36.36% increase 18.18% increase 36.36% decrease 36.36% increase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Capacitor fitted with ceiling / table fans is of the value of 2 - 3 µF. 5 - 10 F. 0.1 µF. 1 - 2 µF. 2 - 3 µF. 5 - 10 F. 0.1 µF. 1 - 2 µF. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a 50 Hz three phase induction motor under full load condition is 725 rpm the number of poles of the motor are ______________. 2. 4. 8. 6. 2. 4. 8. 6. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Universal motor have which of the following application? Food mixer. Domestic pump. Lift. Traction. Food mixer. Domestic pump. Lift. Traction. ANSWER DOWNLOAD EXAMIANS APP