GETCO Exam Paper (22-07-2015) Calculate torque developed by the 3-phase, 5 HP, 4 pole induction motor runs at 1500 rpm 22 N-m 0 N-m 10 N-m 23.5 N-m 22 N-m 0 N-m 10 N-m 23.5 N-m ANSWER EXPLANATION DOWNLOAD EXAMIANS APP P = 2πTN/60 where N is speed in rpm
GETCO Exam Paper (22-07-2015) Which city is capital of Meghalaya? (As on 22/07/2015) Shilong Imphal Dispur Itanagar Shilong Imphal Dispur Itanagar ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In case of HVDC transmission there is _____ no charging current no skin effect no charging current but skin effect charging current but no skin effect both charging effect and skin effect no charging current no skin effect no charging current but skin effect charging current but no skin effect both charging effect and skin effect ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) A transformer has negative voltage regulation when its load PF is leading unity zero lagging leading unity zero lagging ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Voltage regulation = ((no load voltage)-(full load voltage)/(no load voltage))VR at leading PF = ((I*R*cosφ)-(I*X*sinφ))/VVR at lagging PF = ((I*R*cosφ)+(I*X*sinφ))/V
GETCO Exam Paper (22-07-2015) Slip at maximum torque depends on stator reactance load current stator resistance rotor resistance and reactance stator reactance load current stator resistance rotor resistance and reactance ANSWER EXPLANATION DOWNLOAD EXAMIANS APP at maximum torque:S=R₂/X₂
GETCO Exam Paper (22-07-2015) Who is the Energy and Petrochemicals minister of Gujarat? (As on 22/07/2015) Bhupendrasinh Chudasama Saurabh Patel Anandiben Patel Nitin Patel Bhupendrasinh Chudasama Saurabh Patel Anandiben Patel Nitin Patel ANSWER DOWNLOAD EXAMIANS APP
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