Electrical Machines In a transformer zero voltage regulation is achieved at a load power factor which is zero lagging leading unity zero lagging leading unity ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature coil is short circuited by brushes when it lies along field axis. in none of above positions. along neutral axis. in any of above positions. along field axis. in none of above positions. along neutral axis. in any of above positions. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an alternator the voltage generated per phase is proportional to All of these flux per pole. number of turns in coil. frequency of waveform. All of these flux per pole. number of turns in coil. frequency of waveform. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Shunt Motor the speed can be increased by Increasing the field current. Increasing the armature current. Increasing the field current. Decreasing the field current. Increasing the field current. Increasing the armature current. Increasing the field current. Decreasing the field current. 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 In one 132 / 33 kV transformer the LV resistance is 0.02 per unit. The resistance referred to HV side is 0.01 pu. 0.08 pu. 0.16 pu. 0.02 pu. 0.01 pu. 0.08 pu. 0.16 pu. 0.02 pu. ANSWER DOWNLOAD EXAMIANS APP
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