Electrical Machines A delta/star transformer is connected in parallel to a star/delta transformer. The turn ratio former is x times latter, the x is 1/√3 √3 3 1/3 1/√3 √3 3 1/3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC machine windings are full pitched either of these None of these short pitched full pitched either of these None of these short pitched ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In Ward-Leonard method of speed control, the direction of rotation of motor is reversed usually reversing the connection of the generator armature terminal. motor field terminal. motor armature terminal. generator field terminal. generator armature terminal. motor field terminal. motor armature terminal. generator field terminal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole dynamo with wave wound armature has 51 slots contains 20 conductors in each slot. If induced emf 357 Volts and speed is 8500 rpm, flux per pole will be 1.4 mWb. 3.5 mWb. 2.7 mWb. 1.2 mWb. 1.4 mWb. 3.5 mWb. 2.7 mWb. 1.2 mWb. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating winding are used to rectify the flux density waveform at throughout the air gap. interpole region. None of these region under main pole. throughout the air gap. interpole region. None of these region under main pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The wattage rating of a ceiling fan motor will be 50 - 150 W. 200 - 250 W. 250 - 500 W. 10 - 20 W. 50 - 150 W. 200 - 250 W. 250 - 500 W. 10 - 20 W. ANSWER DOWNLOAD EXAMIANS APP