GETCO Exam Paper (22-07-2015) In a DC motor, back EMF value becomes maximum at _____ 3/4 load no load full load 1/2 load 3/4 load no load full load 1/2 load ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Answer in official key is “1/2 load ”.
GETCO Exam Paper (22-07-2015) Which of the following cable is extensively used for high tension and low tension work? PVC cable XLPE cable VIR cable TRS cable PVC cable XLPE cable VIR cable TRS cable ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) What is the surge impedance loading of 400 kV line with surge impedance given as 160 Ω 250 MW 1000 kW 400 MW 1000 MW 250 MW 1000 kW 400 MW 1000 MW ANSWER EXPLANATION DOWNLOAD EXAMIANS APP SIL = (kV)²/Z₀
GETCO Exam Paper (22-07-2015) Slip at maximum torque depends on rotor resistance and reactance load current stator reactance stator resistance rotor resistance and reactance load current stator reactance stator resistance ANSWER EXPLANATION DOWNLOAD EXAMIANS APP at maximum torque:S=R₂/X₂
GETCO Exam Paper (22-07-2015) For a given transformer volte/turn for primary and secondary winding is depends on transformer design same different depends on load depends on transformer design same different depends on load ANSWER EXPLANATION DOWNLOAD EXAMIANS APP emf = 4.44*f*φ*Temf/T = 4.44*f*φ
GETCO Exam Paper (22-07-2015) Fuel cell for power generation have drawback of _____ Synchronization problems Very high development costs Noise, pollution and maintenance problems Low life span Synchronization problems Very high development costs Noise, pollution and maintenance problems Low life span ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS