Electrical Machines In a DC Shunt Motor if the load current increases then field flux decreases decreases. increases. remains constant. decreases decreases. increases. remains constant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What are the starters used for starting of cage motors? All of these. Star-delta starter. Auto transformer starter. DOL starter. All of these. Star-delta starter. Auto transformer starter. DOL starter. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of motors uses slip rings? Induction motors Both Synchronous and Induction motor DC Shunt Motor Synchronous motors Induction motors Both Synchronous and Induction motor DC Shunt Motor Synchronous motors ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC compound motor can be reversed by interchanging armature connections. armature or field connections. series field connections. shunt field connections. armature connections. armature or field connections. series field connections. shunt field connections. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque speed characteristics of a AC servomotor is approximately hyperbola any of the above linearised parabola hyperbola any of the above linearised parabola ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Variation in speed by ward-Leonard control of DC motors occurs due to variation in Supply voltage. Field excitaion. Armature current. Armature voltage. Supply voltage. Field excitaion. Armature current. Armature voltage. ANSWER DOWNLOAD EXAMIANS APP
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