Electrical Machines Which motor cannot be started on no load? cumulative compound motors series motors shunt motors both B and C cumulative compound motors series motors shunt motors both B and C ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the rotor of a 3 phase induction motor is blocked then the slip is 0.7. 1. 0.54. 0.3. 0.7. 1. 0.54. 0.3. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 50 Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor copper loss? 100W 80W 40W 60W 100W 80W 40W 60W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC machine having P no of pair of pole pairs, Z no of conductors having length L of resistivity ρ and cross section S are arranged. what is the armature resistance? PZL/4Sa² PZL/ 4Sa PZL/4S PZL/4Sp² PZL/4Sa² PZL/ 4Sa PZL/4S PZL/4Sp² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is expensive for same Kw output rates? Induction motor. Synchronous motor. DC Shunt Motor AC single phase motor. Induction motor. Synchronous motor. DC Shunt Motor AC single phase motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a transformer has turns ratio K, the primary and secondary current are I1 and I2 respectively and magnetizing current and core loss component of no load current Iμ and Iw respectively, then I1 = KI2. I1 = KI2 + Iw. I1 = KI2 + Iw + Iμ.ok I1 = KI2 + Iμ. I1 = KI2. I1 = KI2 + Iw. I1 = KI2 + Iw + Iμ.ok I1 = KI2 + Iμ. ANSWER DOWNLOAD EXAMIANS APP
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