Electrical Machines Stray losses in transformer occurs in steel core. winding conductors and steel structures of transformer. transformer insulating oil. paper insulation in transformers. steel core. winding conductors and steel structures of transformer. transformer insulating oil. paper insulation in transformers. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, the residual magnetism is of the order of 10 %. 20 %. 15 %. 2.5 %. 10 %. 20 %. 15 %. 2.5 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The coil spam can never be equal to pole pitch. may or may not be exactly equal to people pitch. must be exactly equal to people pitch. none of above. can never be equal to pole pitch. may or may not be exactly equal to people pitch. must be exactly equal to people pitch. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of a DC Shunt motor if the load is decreased to some extent, what will happen to its speed? The speed will increase abruptly. The speed will increase gradually. The speed will increase in proportion to reduction in load. The speed will remains almost constant. The speed will increase abruptly. The speed will increase gradually. The speed will increase in proportion to reduction in load. The speed will remains almost constant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following methods are suitable for the speed control of squirrel cage induction motor? 1. Voltage control. 2. Frequency control. 3. Pole changing method. 4. Rotor resistance control select the correct answer using the codes given below:- 2, 3 and 4. 2 and 4. 1, 2 and 3. 1, 3 and 4. 2, 3 and 4. 2 and 4. 1, 2 and 3. 1, 3 and 4. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output indicate on the name plate of any motor is always the Output power at the shaft. Gross power. Power drawn in KVA. Power drawn in KW. Output power at the shaft. Gross power. Power drawn in KVA. Power drawn in KW. ANSWER DOWNLOAD EXAMIANS APP
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