Electrical Machines The speed regulation of a DC motor is given as (NnL − NfL)/NfL. NnL/NfL. NnL − NfL. (NfL − NnL)/NnL. (NnL − NfL)/NfL. NnL/NfL. NnL − NfL. (NfL − NnL)/NnL. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two synchronous generators operating in parallel 200 MW and 400 MW respectively. The drooping characteristics of their governors are 4% and 5% from no load to full load. Consider the governors operating at 50Hz on no load. How will the machine share, if the load is 600 MW? 200 MW and 400MW None of these generator 1 gets over load generator 2 gets over load 200 MW and 400MW None of these generator 1 gets over load generator 2 gets over load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Centrifugal switch is absent in which of the single phase induction motor? None of these Split phase motor. PSC (permanent split capacitor) motor. Shaded pole motor. None of these Split phase motor. PSC (permanent split capacitor) motor. Shaded pole motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shunt generator is running at 1000 rpm. If flux is reduced by half, then what is the new speed? 0. 2000. 500. 1000. 0. 2000. 500. 1000. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC motor can be determined by Fleming's left hand rule. Lenz's law. Fleming's right hand rule. Ampere's law. Fleming's left hand rule. Lenz's law. Fleming's right hand rule. Ampere's law. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What type of dielectric material is used in capacitors used for fans and for power factor correction? Glass. Vacuum. Mica. Oil impregnated paper. Glass. Vacuum. Mica. Oil impregnated paper. ANSWER DOWNLOAD EXAMIANS APP
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