GETCO Exam Paper (22-07-2015) Slip at maximum torque depends on stator reactance rotor resistance and reactance stator resistance load current stator reactance rotor resistance and reactance stator resistance load current ANSWER EXPLANATION DOWNLOAD EXAMIANS APP at maximum torque:S=R₂/X₂
GETCO Exam Paper (22-07-2015) The rating of given on the name plate of a transformer indicates the: Apparent power which it draws from the supply mains True power which it can supply True power whichh it draws from the supply mains Apparent power which it can supply Apparent power which it draws from the supply mains True power which it can supply True power whichh it draws from the supply mains Apparent power which it can supply ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The rating of given on the name plate of a transformer indicates the:Apparent power which it can supply S=V( supplied voltage)*I (load current)active power = v* i*cosφreactive power = v* i*sinφ
GETCO Exam Paper (22-07-2015) The PU impedance of a 1089 MVA, 33 kV generator is 1, the ohmic value of its impedance is: 0.5 100 10 1 0.5 100 10 1 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In a thermal power plant, heat from the flue gases is recovered in condenser Economizer Electric precipitator chimney condenser Economizer Electric precipitator chimney ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Select the wrong statement from the following in relation to power flow analysis Approximation is used in FDLF method jacobian is always required No of ittretion in N R method can not be more than 30 for any system Y Bus is required for power flow analysis Approximation is used in FDLF method jacobian is always required No of ittretion in N R method can not be more than 30 for any system Y Bus is required for power flow analysis ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The insulation strength of an EHV transmission line is mainly governed by Corona Switching over voltages Harmonics Load power factor Corona Switching over voltages Harmonics Load power factor ANSWER DOWNLOAD EXAMIANS APP
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