Electrical Machines At slip s = 1 torque developed in machine is starting torque. none. maximum torque. electromagnetic torque. starting torque. none. maximum torque. electromagnetic torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the no-voltage release in a DC motor starter fails to operate on failure of supply, on resumption of supply the motor will get damaged. not start automatically. develop very low starting torque. start automatically without trouble. get damaged. not start automatically. develop very low starting torque. start automatically without trouble. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the source voltage of a DC motor is increased, which of the following will decrease? Operating speed. Full load current. Starting torque, operating speed, full load current. Starting torque. Operating speed. Full load current. Starting torque, operating speed, full load current. Starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Essential conditions for two DC generators are connecting for parallel operation is/are terminal voltage should be same. rating of generators should be same. both A and B. polarities should be same. terminal voltage should be same. rating of generators should be same. both A and B. polarities should be same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous machine, if the field flux axis is ahead of the armature field axis in the direction of rotation, the machine operating is asynchronous motor. asynchronous generator. synchronous motor. synchronous generator. asynchronous motor. asynchronous generator. synchronous motor. synchronous generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The type of DC generator used for arc welding purpose is a cumulatively compounded generator series generator differentially compounded generator shunt generator cumulatively compounded generator series generator differentially compounded generator shunt generator ANSWER DOWNLOAD EXAMIANS APP