Electrical Machines In case of a compensated DC series motor, the compensating winding is provided In series with the armature winding. In parallel with the armature winding. As a separate unit. In parallel with the field winding. In series with the armature winding. In parallel with the armature winding. As a separate unit. In parallel with the field winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Oil is provided in an oil filled transformer for lubrication. insulating. both cooling and insulation. cooling. lubrication. insulating. both cooling and insulation. cooling. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature resistance control method is used for the _______ ? above rated speed both 1 and 2 None of these below rated speed above rated speed both 1 and 2 None of these below rated speed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lamination of transformer core is made of silicon steel. cast iron. wrought iron. cast steel. silicon steel. cast iron. wrought iron. cast steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a 3 - Φ induction motor is clockwise when it is supplied with 3 - Φ sinusoidal voltage having phase sequence A - B - C. For counterclockwise rotation of motor, the phase sequence of the supply should be B - C - A. B - C - A or C - A - B. A - C - B. C - A - B. B - C - A. B - C - A or C - A - B. A - C - B. C - A - B. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature resistance of the dc motor is generally of the range 100 ohm. 0.1 ohm. 0.5 ohm. 50 ohm. 100 ohm. 0.1 ohm. 0.5 ohm. 50 ohm. ANSWER DOWNLOAD EXAMIANS APP