Electrical Machines Transformer cooling and insulating oil must be of high viscosity. low BDV. low resistivity. low viscosity. high viscosity. low BDV. low resistivity. low viscosity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At the instant of starting, the per unit slip of 3 - Φ induction motor is 0.5. 0.05. 1.0. 0.1. 0.5. 0.05. 1.0. 0.1. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine shape of armature MMF wave is? Triangular and directed towards main pole. Peaky in nature. Triangular and directed towards brush axis. Saddle shape. Triangular and directed towards main pole. Peaky in nature. Triangular and directed towards brush axis. Saddle shape. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC compound motor can be reversed by interchanging armature connections. shunt field connections. series field connections. armature or field connections. armature connections. shunt field connections. series field connections. armature or field connections. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC motor can be determent by Flemings right hand rule. Flemings left hand rule. Lenzs law. Amperes law. Flemings right hand rule. Flemings left hand rule. Lenzs law. Amperes law. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The frequency of voltage generated by an alternator having 8 poles and rotating at 250 rpm is 16.67 Hz. 50 Hz. 60 Hz. 25 Hz. 16.67 Hz. 50 Hz. 60 Hz. 25 Hz. ANSWER DOWNLOAD EXAMIANS APP
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