GETCO Exam Paper (22-07-2015) The RMS value of the voltage u(t) = 3 + 4 cos(3t) is 7 4.12 5 3 + 2(1.41) 7 4.12 5 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) Slip at maximum torque depends on stator reactance rotor resistance and reactance load current stator resistance stator reactance rotor resistance and reactance load current stator resistance ANSWER EXPLANATION DOWNLOAD EXAMIANS APP at maximum torque:S=R₂/X₂
GETCO Exam Paper (22-07-2015) Two watt meter method for 3 phase circuit is preferred over other methods because it can be used for balanced or unbalanced load PF of the load can also be estimated it can be used for star or delta connected load all are correct it can be used for balanced or unbalanced load PF of the load can also be estimated it can be used for star or delta connected load all are correct ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Steady state stability of a power system is improved by by fast switching reducing fault clearing time decreasing generator inertia using double circuit line instead of single circuit line by fast switching reducing fault clearing time decreasing generator inertia using double circuit line instead of single circuit line ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In a power system network, at which bus the shunt is connected that can be known from reactive power demand none of these type of bus Y bus of the system reactive power demand none of these type of bus Y bus of the system ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In comparison to steam plant, the annual fixed cost of nuclear plant is Quit low Can't say almost equal Quit high Quit low Can't say almost equal Quit high ANSWER DOWNLOAD EXAMIANS APP
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