Electrical Machines A shunt generator is running at 1000 rpm. If flux is reduced by half, then what is the new speed? 0. 500. 1000. 2000. 0. 500. 1000. 2000. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the air gap of IM is increased, ____________ will increase. air gap flux. speed. magnetizing current. power factor. air gap flux. speed. magnetizing current. power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC motor under constant terminal voltage what is the relation between torque (Te) and power (P) T is independent of P T∝ P³ T∝ P T∝ P² T is independent of P T∝ P³ T∝ P T∝ P² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed in a cylindrical synchronous machine depends on load angle both 1and 2 synchronous reactance excitation load angle both 1and 2 synchronous reactance excitation ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, the residual magnetism is of the order of 15 %. 20 %. 2.5 %. 10 %. 15 %. 20 %. 2.5 %. 10 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The squirrel cage induction motors are provided with blades in order to none of these. balance the rotor dynamically. eliminate noise. facilitate cooling of rotor. none of these. balance the rotor dynamically. eliminate noise. facilitate cooling of rotor. ANSWER DOWNLOAD EXAMIANS APP
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