Power Systems The modern trend in electric power generation to have large number of small size thermal plants located at different places. none of above. to have large size thermal plant located near coal fields. to have large size thermal plants near load centre. to have large number of small size thermal plants located at different places. none of above. to have large size thermal plant located near coal fields. to have large size thermal plants near load centre. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection switch is used to provide protection against temperature. short circuit. overload. over voltage. temperature. short circuit. overload. over voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A buchholz relay is used for nether 1 nor 2 protection of a transformer against all external faults protection of a transformer against all internal faults both 1 and 2 nether 1 nor 2 protection of a transformer against all external faults protection of a transformer against all internal faults both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of per unit system is/are All of these Need of transformation ratio It has units for all quantities No units for any quantity All of these Need of transformation ratio It has units for all quantities No units for any quantity 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? 0.92 -0.92 0.56 -0.56 0.92 -0.92 0.56 -0.56 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal plant most of the energy is wasted in boiler ESP condenser turbines boiler ESP condenser turbines ANSWER DOWNLOAD EXAMIANS APP