Electrical Machines If dimension of all the parts of a synchorous generator and the number of field and armature turns are double, then generated voltage will change by a factor of 1. 4. 8. 2. 1. 4. 8. 2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the handle of a three point starter goes to back to OFF position, it may be due to all of these. high filed circuit resistance. zero or very low voltage supply. over load. all of these. high filed circuit resistance. zero or very low voltage supply. over load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In salient pole synchronous machine, if direct axis reactance and quadrature axis reactance is equal, then power developed due to reluctance is zero any of the above maximum infinite value zero any of the above maximum infinite value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC motor under constant terminal voltage what is the relation between torque (Te) and power (P) T∝ P³ T∝ P T∝ P² T is independent of P T∝ P³ T∝ P T∝ P² T is independent of P ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If s is the slip and f is the supply frequency of an induction motor, the frequency of rotor current is given by f / s. s2. sf. sf / 2. f / s. s2. sf. sf / 2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A series motor is efficiently suitable for low starting torque operation. none of these. high starting torque operation. constant speed operation. low starting torque operation. none of these. high starting torque operation. constant speed operation. ANSWER DOWNLOAD EXAMIANS APP