Electrical Machines In DC machine torque is proportional to which of the following? flux(φ) armature current(Ia) both A and B None of these flux(φ) armature current(Ia) both A and B None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The core flux in transformer depends mainly on supply voltage and frequency supply voltage supply voltage and load supply voltage, frequency and load supply voltage and frequency supply voltage supply voltage and load supply voltage, frequency and load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed regulation of a DC motor is given as NnL/NfL. NnL − NfL. (NnL − NfL)/NfL. (NfL − NnL)/NnL. NnL/NfL. NnL − NfL. (NnL − NfL)/NfL. (NfL − NnL)/NnL. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer OC test is conducted on LV side and SC test is conducted on HV side both OC and SC tests are conducted on LV side OC test is conducted on HV side and SC test is conducted on LV side both Oc and SC tests are conducted on HV side OC test is conducted on LV side and SC test is conducted on HV side both OC and SC tests are conducted on LV side OC test is conducted on HV side and SC test is conducted on LV side both Oc and SC tests are conducted on HV side ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hopkinss test in DC motor is conducted at ? Full load. Low load. None of these. No load. Full load. Low load. None of these. No load. 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 less than 230 V not possible 230 V some what more than 230 V some what less than 230 V not possible 230 V some what more than 230 V ANSWER DOWNLOAD EXAMIANS APP
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