GETCO Exam Paper (22-07-2015) The RMS value of the voltage u(t) = 3 + 4 cos(3t) is 4.12 3 + 2(1.41) 7 5 4.12 3 + 2(1.41) 7 5 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) Fuel cell for power generation have drawback of _____ Noise, pollution and maintenance problems Synchronization problems Very high development costs Low life span Noise, pollution and maintenance problems Synchronization problems Very high development costs Low life span ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In a thermal power plant, heat from the flue gases is recovered in condenser Electric precipitator Economizer chimney condenser Electric precipitator Economizer chimney ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In a given current transformer, If permissible current ratio error rated primary current is 5% the CT is suitable for protection purpose both measuring and protection as power transformer measuring purpose protection purpose both measuring and protection as power transformer measuring purpose ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In case of a balanced three phase sinusoidal AC supply, because of the phase difference 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 neutral wire is not required, if load is balanced ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Merz-Price protection is employed for protection of transmission lines alternators motor circuit breaker transmission lines alternators motor circuit breaker ANSWER DOWNLOAD EXAMIANS APP
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