Electrical Machines The output power of any electrical motor is taken from the Coupling mounted on the shaft. Motor frame. Armature. Field. Coupling mounted on the shaft. Motor frame. Armature. Field. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The change in speed of a DC generator due to increased load is corrected by increasing armature cooling. increasing armature resistance. increasing terminal voltage. increasing input power of the prime mover. increasing armature cooling. increasing armature resistance. increasing terminal voltage. increasing input power of the prime mover. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The ventilating ducts in most of DC machine are radial as well as longitudinal. radial. none of these. longitudinal. radial as well as longitudinal. radial. none of these. longitudinal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutator pitches of duplex and simplex lap windings are respectively 2 and 1 4 ang 1 4 and 2 2 and 2 2 and 1 4 ang 1 4 and 2 2 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Series generators are used in which of the following applications? Air crafts. Arc welding. Used as boosters in dc distribution or transmission. All of these Air crafts. Arc welding. Used as boosters in dc distribution or transmission. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stability of a synchronous motor ---------- with the increase in excitation. remains unaffected decreases any of the above increases remains unaffected decreases any of the above increases ANSWER DOWNLOAD EXAMIANS APP