GETCO Exam Paper (22-07-2015) The RMS value of the voltage u(t) = 3 + 4 cos(3t) is 5 4.12 7 3 + 2(1.41) 5 4.12 7 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) Switching surges are power frequency voltage high votage DCs short duration transient voltage high voltage Acs power frequency voltage high votage DCs short duration transient voltage high voltage Acs ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Current chopping phenomenon is related to asymmetrical current small inductive current capacitance switching resistance switching asymmetrical current small inductive current capacitance switching resistance switching ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) What is the synonyms of 'Pragmatic'? Magnetic Practical Uncertain Arrogant Magnetic Practical Uncertain Arrogant ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Stray loss is equal to _____ copper loss and iron loss frictional loss & copper loss field copper loss & iron loss mechanical loss & iron loss copper loss and iron loss frictional loss & copper loss field copper loss & iron loss mechanical loss & iron loss ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Answer in official key is “mechanical loss & iron loss ”.Many times stray loss is also considered as total loss actually accured minus calculatable loss. This means loss that can be calculated is known as stray loss.
GETCO Exam Paper (22-07-2015) In case of a balanced three phase sinusoidal AC supply, because of the phase difference neutral wire is not required, if load is balanced neutral current is high if load is not balanced rotating magnetic field is produced all are correct neutral wire is not required, if load is balanced neutral current is high if load is not balanced rotating magnetic field is produced all are correct ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS