Power Systems Oxide film arrestor has which of the following properties? Installed at points of transmission line where daily visit is difficult. It is expensive. Does not require daily charging. Both A and B. Installed at points of transmission line where daily visit is difficult. It is expensive. Does not require daily charging. Both A and B. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Apart from the skin effect the non uniformity of the current distribution is also caused by bundled conductors proximity effect ferranti effect All of these bundled conductors proximity effect ferranti effect All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 40 kV 32 kV 45 kV 36 kV 40 kV 32 kV 45 kV 36 kV 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
Power Systems Equal area criteria is used for either 1 or 2 absolute stability of the system nether 1 nor 2 relative stability of the system either 1 or 2 absolute stability of the system nether 1 nor 2 relative stability of the system ANSWER DOWNLOAD EXAMIANS APP
Power Systems The maximum efficiency of modern coal fired steam steam raising thermal power plants is restricted to about 0.35( a low value), mainly because of high energy loss in boilers low alternator efficiency high energy loss in condenser low steam turbine mechanical efficiency high energy loss in boilers low alternator efficiency high energy loss in condenser low steam turbine mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
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