Electrical Machines A 3-phase 6 pole 50 Hz induction motor is running at 5% slip.What is the speed of the motor? 1000 rpm 950 rpm 850 rpm 900 rpm 1000 rpm 950 rpm 850 rpm 900 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed in a cylindrical synchronous machine depends on load angle excitation both 1and 2 synchronous reactance load angle excitation both 1and 2 synchronous reactance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines On what factors the speed of dc motor depends? Field flux. Armature current Ia. All of these. Applied voltage. Field flux. Armature current Ia. All of these. Applied voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator the actual flux distribution depends upon all of above. clearance between tips of the adjacent pole shoes. shape of the pole shoe. size of air gap. all of above. clearance between tips of the adjacent pole shoes. shape of the pole shoe. size of air gap. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the number of poles required, when the frequency is 50Hz and speed of the motor is 500 rpm? 24 12 10 5 24 12 10 5 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When a transformer is loaded, the secondary terminal voltage drops. That means power factor is leading. unity. zero. lagging. leading. unity. zero. lagging. ANSWER DOWNLOAD EXAMIANS APP
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