Power Systems Which of the following matrix is used for load flow studies? Unit matrix null matrix Y bus matrix Z bus matrix Unit matrix null matrix Y bus matrix Z bus matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulator thickness on the conductor, in cables depends upon reactive power current voltage power factor reactive power current voltage power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect of conductor will increase when resistivity decrease diameter decrease frequency decrease All of these resistivity decrease diameter decrease frequency decrease All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is 33.33% 75% 66.66% 25% 33.33% 75% 66.66% 25% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The method of neutral grounding affects the zero sequence network All of these negative sequence network positive sequence network zero sequence network All of these negative sequence network positive sequence network ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase breaker is rated at 2000 MVA, 33 kV, its making current will be 35 kVA. 49 kVA. 70 kVA. 89.22 kVA. 35 kVA. 49 kVA. 70 kVA. 89.22 kVA. ANSWER DOWNLOAD EXAMIANS APP
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