Electrical Machines Armature resistance control method is also called as-----------? constant current control constant power control constant voltage control constant torque control constant current control constant power control constant voltage control constant torque control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of motors are preferred in lifts? DC series motors. DC compound motors. None of these DC shunt motors. DC series motors. DC compound motors. None of these DC shunt motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The 3 - Φ induction motors are, by a very considerable margin, the most widely used AC motors as they are capable of operation under range of leading and lagging pf. they have very good speed regulation. they have maximum efficiency and maximum starting torque. these are cheaper in cost, simple and rugged in construction. they are capable of operation under range of leading and lagging pf. they have very good speed regulation. they have maximum efficiency and maximum starting torque. these are cheaper in cost, simple and rugged in construction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The maximum possible speed at which an alternator can be driven to generate 50 Hz and 4000 V is 3000 rpm. 3600 rpm. 4000 rpm. 1500 rpm. 3000 rpm. 3600 rpm. 4000 rpm. 1500 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Considering a galvanometer is connected to the rotor of a 3 - Φ, 4 pole, 50 Hz IM and is making 130 oscillations in a minute, then calculate the rotor speed? 1500. 1450. 1440. 1435. 1500. 1450. 1440. 1435. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Breadth factor is defined as the ratio of None of these emf with concentrated winding to emf with distributed winding. both 1 and 2. emf with distributed winding to emf with concentrated winding. None of these emf with concentrated winding to emf with distributed winding. both 1 and 2. emf with distributed winding to emf with concentrated winding. ANSWER DOWNLOAD EXAMIANS APP
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