What is the permissible rise of temperature in a well-designed generator? Last Answer : 27 degree C above the surrounding air...
What is the standard direction of rotation of the DC generators? Last Answer : Clockwise when viewed from the end opposite to the driven end...
What is the best way of minimizing eddy currents in an armature? Last Answer : Lamination is the best way...
What is the principle of operation of tube light Last Answer : A fluorescent lamp is a glass tube containing some mercury vapor, with a phosphorescent coating on the interior surface of the tube. The mercury vapor is made to glow by using a high voltage ... eye but it causes the phosphorescent coating on the interior surface of the tube to emit visible light...
What is the plugging of an Induction motor? Last Answer : Plugging is a method of braking used in induction motors. Plugging involves interchanging the supply to two of the stator phase windings. This method is used in applications that require immediate ... , torque is produced in the opposite direction. This leads to breaking of the electric motor...
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