POWER SYSTEMS QUIZ

 A good initial guess for voltages is essential for convergence

 Slow convergence

 Choice of slack bus affects the convergence

 Unreliable convergence

 either of these

 cylindrical rotor

 squirrel cage rotor

 salient pole rotor

 0.98 pu

 0.098 pu

 1.098 pu

 1 pu

 PG1 = 100 MW and PG2 = 150 MW

 PG1 = 125 MW and PG2 = 125 MW

 PG1 = 142.5 MW and PG2 = 107.5 MW

 PG1 = 109.75 MW and PG2 = 140.25 MW

 20 sec.

 none of these.

 10 sec.

  5 sec.

 load factor of the steam plant is increased

 the operating cost of the steam plant become optimum

All of these

 chances of the tripping of the system decrease

 Proportional to load and characteristic impedance.

  Directly proportional to load impedance and inversely to characteristic impedance.

 Directly proportional to characteristic impedance and inversely to load impedance.

 Directly proportional to voltage minimum and inversely proportional to voltage maximum.

  10500 Kg of coal.

 1000 Kg of coal.

 100 Kg of coal.

 5000 Kg of coal.

 inward radial flow

 impulsive

 any of the above

 axial flow

 PG1 = 0 MW and PG2 = 250 MW

 PG1 = 150 MW and PG2 = 100 MW

 PG1 = 100 MW and PG2 = 150 MW

 PG1 = 250 MW and PG2 = 0 MW