Electrical Machines Which of the following is not a necessary condition to be satisfied for synchronising an incoming alternator to an already operating alternator? same frequency same prime mover speed same phase sequence same voltage magnitude same frequency same prime mover speed same phase sequence same voltage magnitude ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 10KVA auto transformer, turn ratio is 0.4. Find the power transferred inductively? 6 KVA 10 KVA 0 KVA 4 KVA 6 KVA 10 KVA 0 KVA 4 KVA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A three phase induction motor has a synchronous speed of 1500 rpm the machine runs at 1460 rpm at a particular load. The slip at this load is ___________. 5 %. 1.5 %. 2.67 %. 30 %. 5 %. 1.5 %. 2.67 %. 30 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor wound rotor motor is mainly is used in application where low starting torque. less costly motor is not required. high starting torque. power factor is less. low starting torque. less costly motor is not required. high starting torque. power factor is less. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An inverted V-curve of synchronous motor shows the variation of supply voltage and field current at constant excitation power factor and supply voltage during hunting power factor and dc excitation at constant load All of these supply voltage and field current at constant excitation power factor and supply voltage during hunting power factor and dc excitation at constant load All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The coil spam must be exactly equal to people pitch. can never be equal to pole pitch. may or may not be exactly equal to people pitch. none of above. must be exactly equal to people pitch. can never be equal to pole pitch. may or may not be exactly equal to people pitch. none of above. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS