In a power system with negligible resistance, the fault current at a point is 8.00 pu. The series reactance is to be included at the fault point to limit the short circuit. current to 5.00 pu is 3.000 pu. 0.200 pu. 0.075 pu. 0.125 pu. TRUE ANSWER : ? YOUR ANSWER : ?
A guard ring is used in string type insulator having 3 units to improve string efficiency. Find the capacitance of metal link 2 if pin to earth capacitance of each unit is 1 F? 2 F 1 F 0.5 F 4 F TRUE ANSWER : ? YOUR ANSWER : ?
An impulse turbine always operates submerged. is most suited for low head and high discharge power plants. operates by initial complete conversion to kinetic energy. makes use of a draft tube. TRUE ANSWER : ? YOUR ANSWER : ?
If we increase the spacing between the phase conductors, the value of line inductance increase decrease None of these remains unaffected TRUE ANSWER : ? YOUR ANSWER : ?
Generation of of one watt needs about ______________ fission per second 3.1 × 107. 3.1. 3.1 × 106. 3.1 × 1010. TRUE ANSWER : ? YOUR ANSWER : ?
On which one of the following cycles does a modern steam power plant work? Carnot cycle Otto cycle Rankine cycle Bell-Coleman cycle TRUE ANSWER : ? YOUR ANSWER : ?
Objectives of power system is/are both 1 and 2 nether 1 nor 2 Rated voltage and frequency has to be supplied to the consumers Cost of electrical energy per KWh is to be minimum TRUE ANSWER : ? YOUR ANSWER : ?
Per unit of any quantity is defined as actual value of quantity /base value of quantity in different units base value of quantity /actual value of quantity in same units actual value of quantity /base value of quantity in same units base value of quantity /actual value of quantity in different units TRUE ANSWER : ? YOUR ANSWER : ?
Which statement is not correct for the transmission line parameter R, L, G and C For each line, the conductors are characterized by σ c, μ c, εo = ε c and the homog The line parameter R,L,G and C are uniformly distributed along the entire length of the line C. At high frequencies at which most of communication system operate the internal inductance of the conductor is neglected. G = I/R. R is the AC resistance per unit length of conductor C. TRUE ANSWER : ? YOUR ANSWER : ?
The receiving end voltage for a long line under no load condition is any of the above equal to the sending end voltage more than the sending end voltage less than the sending end voltage TRUE ANSWER : ? YOUR ANSWER : ?