GETCO Exam Paper (11-06-2017) For an overhead line, the surge impedance is taken as 70-80 Ω 20-40 Ω 500-1000 Ω 100-200 Ω 70-80 Ω 20-40 Ω 500-1000 Ω 100-200 Ω ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) Control rods used in nuclear reactors are made of beryllium lead boron zirconium beryllium lead boron zirconium ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) If the effect of earth is taken into account, then the capacitance of line to ground remains unaltered becomes infinite decreases increases remains unaltered becomes infinite decreases increases ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) Kirchhoff's laws are valid for linear circuits only nonlinear circuits only passive time invariant circuits both linear and nonlinear circuits linear circuits only nonlinear circuits only passive time invariant circuits both linear and nonlinear circuits ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) If the reading of two wattmeters are equal and positive in two wattmeter method, the load power factor in abalanced 3-phase 3-wire circuit will be 0.5 0.866 zero unity 0.5 0.866 zero unity ANSWER EXPLANATION DOWNLOAD EXAMIANS APP W1 = W2 (+Ve) → PF = 1W1, W2 Positive → PF > 0.5W1 +Ve, W2 = 0 → PF = 0.5W1 +Ve, W2 = -Ve → PF < 0.5W1 = - W2 → PF = 0
GETCO Exam Paper (11-06-2017) The power factor of an open ended cable can be improved by increasing the conductor resistance decreasing the capacitance increasing the capacitance increasing the insulation resistance increasing the conductor resistance decreasing the capacitance increasing the capacitance increasing the insulation resistance ANSWER DOWNLOAD EXAMIANS APP
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