# Gauss Seidel Method Objective Type Questions and answers

21.  Gauss-Seidel interative method can be used for solving a set of

A. Linear differential equations only

B. Linear algebraic equations only

C. Both linear and nonlinear algebraic equations

D. Both linear and nonlinear algebraic differential equations

B. Linear algebraic equations only

22.  The Gauss-Seidel load flow method has following disadvantages, select the incorrect statement

A. Unreliable convergence

B. Slow convergence

C. Choice of a slack bus affects convergence

D. A good initial guess for voltages is essential for convergence

A. Unreliable convergence

23.  Compared to Gauss-Seidel method, Newton-Raphson method takes

A. Less number of iterations and more time per iteration

B. Less number of iterations and less time per iteration

C. More number of iterations and more time per iteration

D. More number of iterations and less time per iteration

A. Less number of iterations and more time per iteration

24.  Regulation transformers are used in power systems for control of

A. Voltage

B. Power factor

C. Power flow

D. All of the above

C. Power flow

25.  In a load flow study a PV bus is treated as a PQ bus when

A. Voltage limit is violated

B. Active power limit is violated

C. Phase angle is high

D. Reactive power limit is violated