Power Systems
In hydroelectric power plants

 both operating and initial cost are low.
 both operating and initial cost are high.
  operating cost is low and initial cost is high.
 operating cost is high and initial cost is low.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
The VSWR of transmission line is

 Proportional to load and characteristic impedance.
 Directly proportional to characteristic impedance and inversely to load impedance.
 Directly proportional to voltage minimum and inversely proportional to voltage maximum.
  Directly proportional to load impedance and inversely to characteristic impedance.

ANSWER DOWNLOAD EXAMIANS APP