Electrical Machines The starting resistance of DC motor is generally 1000 ohms. Low. Infinitely large. around 500 ohms. 1000 ohms. Low. Infinitely large. around 500 ohms. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What are slot wedges in a DC machine made of? Cast iron. Mild steel. Fibre. Silicon steel. Cast iron. Mild steel. Fibre. Silicon steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 6 pole, 50 Hz IM has a rotor speed of 987 rpm find rotor frequency? 60 Hz. 0.65 Hz. 0.70 Hz. 0.75 Hz. 60 Hz. 0.65 Hz. 0.70 Hz. 0.75 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The coil spam none of above. can never be equal to pole pitch. must be exactly equal to people pitch. may or may not be exactly equal to people pitch. none of above. can never be equal to pole pitch. must be exactly equal to people pitch. may or may not be exactly equal to people pitch. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the full load speed of 3-phase, 50Hz induction motor is 950 rpm, what is its half load speed nearly equals to? 1000 rpm 940 rpm 975 rpm 950 rpm 1000 rpm 940 rpm 975 rpm 950 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power flow of a dc motor, with respect to a DC generator is modified. none of these. increased. reversed. modified. none of these. increased. reversed. ANSWER DOWNLOAD EXAMIANS APP
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