Power Systems Condition for maximum voltage regulation cosφ = X/R tanφ = R/X cosφ = R/X tanφ = X/R cosφ = X/R tanφ = R/X cosφ = R/X tanφ = X/R ANSWER DOWNLOAD EXAMIANS APP
Power Systems In order to have lower cost of power generaion the load factor should be low but diversity factor should be high The load factor and diversity factor should be high the load factor should be high but diversity factor should be low the load factor and diversity factor should be low the load factor should be low but diversity factor should be high The load factor and diversity factor should be high the load factor should be high but diversity factor should be low the load factor and diversity factor should be low ANSWER DOWNLOAD EXAMIANS APP
Power Systems Inductance of transmission line will decrease when both GMD and GMR decrease both GMD and GMR increase GMD decrease and GMR increase GMD increase and GMR decrease both GMD and GMR decrease both GMD and GMR increase GMD decrease and GMR increase GMD increase and GMR decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation resistance of the 20 km long underground cable is 8 MΩ. Other things being same, the insulation resistance of 10 km long cable will be 32 MΩ 4 MΩ 16 MΩ 8 MΩ 32 MΩ 4 MΩ 16 MΩ 8 MΩ ANSWER DOWNLOAD EXAMIANS APP
Power Systems Skin effect depends on relative permeability All of these conductivity frequency relative permeability All of these conductivity frequency ANSWER DOWNLOAD EXAMIANS APP
Power Systems What will be the ratio of the C.T. on the H.V side of a 3 - φ star / delta 33 / 11 kV transformer if the protecting CT on the LV side has a ratio of 300 : 5 ? 120 : 6 / √3. 100 : 5 / √3. 150 : 4 / √3. 200 : 5 / √3. 120 : 6 / √3. 100 : 5 / √3. 150 : 4 / √3. 200 : 5 / √3. ANSWER DOWNLOAD EXAMIANS APP
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