Electrical Machines Lamination of transformer core is made of cast steel. cast iron. silicon steel. wrought iron. cast steel. cast iron. silicon steel. wrought iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output power indicated on the name plate of any motor is always the Gross power. Power drawn in KVA. Output power at the shaft. Power drawn in KW. Gross power. Power drawn in KVA. Output power at the shaft. Power drawn in KW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The field system of an alternator is usually excited 110 / 220 V AC. 250 / 250 V DC. 230 V AC. 3 - Φ, 50 Hz and 400 V. 110 / 220 V AC. 250 / 250 V DC. 230 V AC. 3 - Φ, 50 Hz and 400 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 240 V, dc shunt motor draws 15 A while supplying the rated load at a speed of 80 rad/s. The armature resistance is 0.5 W and the field winding resistance is 80 W. The external resistance to be added in the armature circuit to limit the armature current to 125% of its rated value is 15.1 Ω 31.9 Ω 15.9 Ω 31.1 Ω 15.1 Ω 31.9 Ω 15.9 Ω 31.1 Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an auto transformer, for what value of turn ratio, power transferred by inductively and conductively are same? 1 0 any of the above 0.5 1 0 any of the above 0.5 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If we increase the rotor reactance value, the maximum torque will increase decrease None of these not changed increase decrease None of these not changed ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS