Electrical Machines In an ideal DC generator the regulation is high. positive. zero. low. high. positive. zero. low. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A large series motor is never started without some mechanical load on it because otherwise it will develop excessive speed and damage itself. draw too much current. produce sparking at brushes. open fuse or circuit breaker. develop excessive speed and damage itself. draw too much current. produce sparking at brushes. open fuse or circuit breaker. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous reactance( Xs) is the reactance either due to armature reaction or leakage flux reactance due to armature reaction of the machine combined reactance due to armature reaction and leakage flux reactance due to leakage flux reactance either due to armature reaction or leakage flux reactance due to armature reaction of the machine combined reactance due to armature reaction and leakage flux reactance due to leakage flux ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following machine is invariably provided with forced ventilation? Fractional horse power high speed motor. Fractional horse power slow speed motor. Hermetically sealed motor of refrigerator. 50 MW generator in a power plant. Fractional horse power high speed motor. Fractional horse power slow speed motor. Hermetically sealed motor of refrigerator. 50 MW generator in a power plant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The type of DC motor generally used for shears and punches is Cummulative compound motor. Shunt motor. Differential compound motor. Series motor. Cummulative compound motor. Shunt motor. Differential compound motor. Series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field winding of a DC series motor is usually provided with thick wire in order to reduce eddy current to provide large flux. to reduce the insulation of materials. as it carries large load current. to provide large flux. in order to reduce eddy current to provide large flux. to reduce the insulation of materials. as it carries large load current. to provide large flux. ANSWER DOWNLOAD EXAMIANS APP