GETCO Exam Paper (22-07-2015) When the load is suddenly increased in the receiving end of the system, the phase shift will Not affected increase decrease remains same Not affected increase decrease remains same ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The line current in a three phase unbalanced load are Ir= 4+j6, Ib= 2-j2 and Ic= -3+j2, then zero sequence component of current will be 1 + j2 9 + j10 3 - j6 3 + j6 1 + j2 9 + j10 3 - j6 3 + j6 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following breaking method save energy? resistor breaking plugging regenerative breaking dynamic breaking resistor breaking plugging regenerative breaking dynamic breaking ANSWER EXPLANATION DOWNLOAD EXAMIANS APP three types of electric breaking:Regenerative breaking( leads to economic and energy consevation)pugging (more efficient method of breaking)rheostatic breaking
GETCO Exam Paper (22-07-2015) In synchronous motor, V-curve is a graph of Armature current Vs power factor Armature current Vs Field current Armature current Vs reactive power Armature current Vs active power Armature current Vs power factor Armature current Vs Field current Armature current Vs reactive power Armature current Vs active power ANSWER EXPLANATION DOWNLOAD EXAMIANS APP v curve: armature current → field currentInverted V curve: power factor → field current
GETCO Exam Paper (22-07-2015) Fuel cell for power generation have drawback of _____ Synchronization problems Very high development costs Low life span Noise, pollution and maintenance problems Synchronization problems Very high development costs Low life span Noise, pollution and maintenance problems ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The constraints that are to be met with while solving UC problem are all are correct Spinning reserve Minimum up time Minimum down time all are correct Spinning reserve Minimum up time Minimum down time ANSWER DOWNLOAD EXAMIANS APP
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