Electrical Machines In salient pole synchronous machine, maximum power occurs at a load angle of 90° Greater than 90° less than 90° 0° 90° Greater than 90° less than 90° 0° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When a DC cummulative compound wound motor is loaded Torque and speed both increase. Both torque and speed decrease. Torque increase and speed decrease. Torque decrease and speed increases. Torque and speed both increase. Both torque and speed decrease. Torque increase and speed decrease. Torque decrease and speed increases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC compound motor can be reversed by interchanging armature or field connections. series field connections. armature connections. shunt field connections. armature or field connections. series field connections. armature connections. shunt field connections. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Centrifugal switch is absent in which of the single phase induction motor? Shaded pole motor. None of these PSC (permanent split capacitor) motor. Split phase motor. Shaded pole motor. None of these PSC (permanent split capacitor) motor. Split phase motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a shunt generator delivers 100 A at 200 V, and the resistances of the shunt field and armature are 100 ohms and 0.01 ohms respectively, the generator emf will be series. no resistance is connected. any one of the connection. parallel. series. no resistance is connected. any one of the connection. parallel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a single phase capacitor start induction motor which of the following is valid? Rotation can be changed by interchanging supply terminals. Rotation can be changed by reversing main winding terminals. None of these. Direction of rotation cannot be changed. Rotation can be changed by interchanging supply terminals. Rotation can be changed by reversing main winding terminals. None of these. Direction of rotation cannot be changed. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS