Electrical Machines In an induction motor, the no-load slip is generally equal to zero. less than 1 %. 1.5 %. 4 %. zero. less than 1 %. 1.5 %. 4 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A three phase induction motor has a synchronous speed of 1500 rpm the machine runs at 1460 rpm at a particular load. The slip at this load is ___________. 30 %. 1.5 %. 2.67 %. 5 %. 30 %. 1.5 %. 2.67 %. 5 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole DC generator runs at 750 rpm and generate an emf of 240 V. The armature is wave wound and has 792 conductors. If the total flux from each pole is 0.0145 Wb. What is the leakage co-efficient? 1.8. 1.5. 1.4. 1.2. 1.8. 1.5. 1.4. 1.2. 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 230 V some what more than 230 V not possible some what less than 230 V 230 V some what more than 230 V not possible ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer cooling and insulating oil must be of low BDV. low resistivity. high viscosity. low viscosity. low BDV. low resistivity. high viscosity. low viscosity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum allowable moisture content of power transformer insulating oil is generally taken as 45 ppm. 20 ppm. 25 ppm. 35 ppm. 45 ppm. 20 ppm. 25 ppm. 35 ppm. ANSWER DOWNLOAD EXAMIANS APP
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