Electrical Machines Which of the following DC Motor uses 4-point starter? DC series motor. DC shunt motor with armature resistance. DC compound motor. DC shunt motor with field weaking control. DC series motor. DC shunt motor with armature resistance. DC compound motor. DC shunt motor with field weaking control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutators in DC machines have a role of which converts Both AC to DC and DC to AC. none of these. AC to DC. high voltage DC to low voltage DC. Both AC to DC and DC to AC. none of these. AC to DC. high voltage DC to low voltage DC. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What are the starters used for starting of cage motors? All of these. Auto transformer starter. DOL starter. Star-delta starter. All of these. Auto transformer starter. DOL starter. Star-delta starter. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator in case the brushes are moved so as to bring them in magnetic neutral axis, then, there will be demagnetisation. none of above. cross-magnetization as well as demagnetization. cross-magnetisation. demagnetisation. none of above. cross-magnetization as well as demagnetization. cross-magnetisation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If input of a transformer is square wave the output will be square wave. triangular wave. pulsed wave. sine wave. square wave. triangular wave. pulsed wave. sine wave. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC generator beyond critical resistance will generate no voltage. maximum power. maximum current. maximum voltage. no voltage. maximum power. maximum current. maximum voltage. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS