Power Systems The specific speed of water turbine is the speed at which the turbine develops unit horse power at all heads. maximum horse power. unit horse power at unit head. a minimum horse power. unit horse power at all heads. maximum horse power. unit horse power at unit head. a minimum horse power. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive (Z1), negative (Z2) and zero sequence (Z0) impedances of a transmission line follows the relation Z1 = Z2 = Z0 (Z1 = Z2) > Z0 any of the above (Z1 = Z2) < Z0 Z1 = Z2 = Z0 (Z1 = Z2) > Z0 any of the above (Z1 = Z2) < Z0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gas coolled reactor use heavy water as coolant as well as moderator. both B and C. use coolant at pressure of 14-28 Kg/cm2 and at temperature of 700°-800° c. use CO2. or helium as coolant and graphite the moderator. use heavy water as coolant as well as moderator. both B and C. use coolant at pressure of 14-28 Kg/cm2 and at temperature of 700°-800° c. use CO2. or helium as coolant and graphite the moderator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Equal area criterion gives the information regarding relative stability swing curves absolute stability stability region relative stability swing curves absolute stability stability region ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 100 MVA alternator operating at full load at 50 Hz. H = 4 MWsec/MVA, Td = 0.5 sec. One of the transmission line is tripped. So that output of generator is reduced to 70 MW. Find the frequency deviation during this time? 0.56 -0.92 0.92 -0.56 0.56 -0.92 0.92 -0.56 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is 5 MJ 50 MJ 10 MJ 500 MJ 5 MJ 50 MJ 10 MJ 500 MJ ANSWER DOWNLOAD EXAMIANS APP