Electrical Machines The main disadvantage(s) of the ward-Leonard system is/are high maintenance cost. poor overall efficiency. high initial cost. all of above. high maintenance cost. poor overall efficiency. high initial cost. all of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At slip s = 1 torque developed in machine is maximum torque. starting torque. electromagnetic torque. none. maximum torque. starting torque. electromagnetic torque. none. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC shunt generator builds up 230 V when driven in clockwise direction. In case it is driven in anti clockwise direction, other things remaining unchanged, then the voltage build up is some what more than 230 V not possible 230 V some what less than 230 V some what more than 230 V not possible 230 V some what less than 230 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, lap winding is used in high current and low voltage applications. where greater load is connected. where constant speed is required. high voltage and low current applications. high current and low voltage applications. where greater load is connected. where constant speed is required. high voltage and low current applications. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In salient pole synchronous machine, maximum power occurs at a load angle of 0° 90° less than 90° Greater than 90° 0° 90° less than 90° Greater than 90° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Universal motors are used in food processing cranes traction All of these food processing cranes traction All of these ANSWER DOWNLOAD EXAMIANS APP
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