Power Systems What will be the thermal efficiency of a 240 V, 1000 W electric kettle if it brings 2 liters of water at 15° C to boiling point 15 Minutes 74.56 %. 78.96 %. 80.25 %. 79.33 %. 74.56 %. 78.96 %. 80.25 %. 79.33 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems With reference to hydrometer station, the graphical representation of the discharge as function of time is known as Hectograph. Monograph. Load duration curve. Hydro-graph. Hectograph. Monograph. Load duration curve. Hydro-graph. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The internal flux linkage due to internal flux of a conductor is All of these I/6*10-7 wb-T/m I/2*10-7 wb-T/m I/4*10-7 wb-T/m All of these I/6*10-7 wb-T/m I/2*10-7 wb-T/m I/4*10-7 wb-T/m ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the propagation constant, if impedance is 10Ω and admittance is 10 ℧? 100 1 5 10 100 1 5 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm cosωt? 1.47 msec 2.63 msec 9.68 4.68 msec 1.47 msec 2.63 msec 9.68 4.68 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which following statement are not true for line parameters R, L, G and C of transmission line All of above. LC = μ ε and RG = σ ε. Both R and G depend on the conductivity of conductor forming the line. G = 1/R where G is conductance of line. All of above. LC = μ ε and RG = σ ε. Both R and G depend on the conductivity of conductor forming the line. G = 1/R where G is conductance of line. ANSWER DOWNLOAD EXAMIANS APP
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