Power Systems Rating of fuse wire is expressed in Ampere. Mho. Watts. Ω. Ampere. Mho. Watts. Ω. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An unloaded generator with a pre-fault voltage 1 pu has the following sequence impedance: Z0 = j 0.15 pu, Z1 = Z2 = j 0.25 pu The neutral is grounded with a reactance of 0.05 pu. The fault current in pu for single line to ground fault is 4.28 pu 3.75 pu 2.5 pu 7.25 pu 4.28 pu 3.75 pu 2.5 pu 7.25 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A pin type insulator has 100 kV puncture voltage. If 10 kV flash over voltage occurred in a transmission line, then find the safety factor of insulator? 1000 0.001 0.1 10 1000 0.001 0.1 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems For loss less line, find the ratio of length to the wave length of a signal for a phase shift of 0.05 radians? 8 × 10³ 2 × 10-3 7.95 × 10³ 7.95 × 10-3 8 × 10³ 2 × 10-3 7.95 × 10³ 7.95 × 10-3 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generating station has a maximum demand of 100 MW, a load factor of 60% and a plant capacity factor of 50%. The reserve capacity of the plant is 15 MW 10 MW 20 MW 80 MW 15 MW 10 MW 20 MW 80 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems For large plants of capacity for more than 15 MW, what type of cooling is used Liquid. Air. Hydrogen. Water. Liquid. Air. Hydrogen. Water. ANSWER DOWNLOAD EXAMIANS APP
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