GETCO Exam Paper (22-07-2015) The breaking capacity of a CB is usually expressed interms of MVA volts MW amperes MVA volts MW amperes ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) For eliminating 7th harmonics from generated EMF in alternator the fractional pitch must be 7\8 5\6 2\3 6\7 7\8 5\6 2\3 6\7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP fractional pitch = Cos( α/2)α is obtain from: (nα/2)=90˚ where n is harmonicα=25.7143˚fractional pitch=6/7
GETCO Exam Paper (22-07-2015) The RMS value of the voltage u(t) = 3 + 4 cos(3t) is 7 5 4.12 3 + 2(1.41) 7 5 4.12 3 + 2(1.41) ANSWER EXPLANATION DOWNLOAD EXAMIANS APP if voltage is given by,v(t) = V₀ + V₁ cos(3t) + V₂ cos(5t)+ …RMS value is given by,√( V₀² + (V₁/√2)² + (V₂/√2)² + …)
GETCO Exam Paper (22-07-2015) Who is the Energy and Petrochemicals minister of Gujarat? (As on 22/07/2015) Bhupendrasinh Chudasama Nitin Patel Saurabh Patel Anandiben Patel Bhupendrasinh Chudasama Nitin Patel Saurabh Patel Anandiben Patel ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Slip at maximum torque depends on load current stator reactance rotor resistance and reactance stator resistance load current stator reactance rotor resistance and reactance stator resistance ANSWER EXPLANATION DOWNLOAD EXAMIANS APP at maximum torque:S=R₂/X₂
GETCO Exam Paper (22-07-2015) For given kVAR and line voltage the ratio of star to delta value of capacitor is 1 1.73 0.33333333333333 3 1 1.73 0.33333333333333 3 ANSWER DOWNLOAD EXAMIANS APP
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