DGVCL Exam Paper (11-12-2011) Different computers are connected to a LAN by a cable and a Modem Special wires Interface card Telephone line Modem Special wires Interface card Telephone line ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Under operating conditions, the secondary of a current transformer is always short ciruited because It protects the primary ciruits It avoids core saturation and high voltage induction It protects the secondary ciruits It is safe to human beings It protects the primary ciruits It avoids core saturation and high voltage induction It protects the secondary ciruits It is safe to human beings ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Which lightning stroke is most dangerous? Indirect stroke on conductor Direct stroke on ground wire Direct stoke on tower top Direct stroke on line conductor Indirect stroke on conductor Direct stroke on ground wire Direct stoke on tower top Direct stroke on line conductor ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) An AC series circuit has R = 6 Ω, XL = 20 Ω and Xc = 12 Ω. The ciruit power factor will be 0.6 lagging 0.5 leading 0.6 leading 0.8 lagging 0.6 lagging 0.5 leading 0.6 leading 0.8 lagging ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) If the percentage reactance of the system upto the point of fault is 20% and the base kVA is 10,000 the short ciruit kVA is 50 MVA 10 MVA 60 MVA 20 MVA 50 MVA 10 MVA 60 MVA 20 MVA ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Short circuit kVA = Base kVA/%X
DGVCL Exam Paper (11-12-2011) In which of the following motors, the stator and rotor magnetic fields rotate at the same speed? Universal motor Synchronous motor Induction motor Reluctance motor Universal motor Synchronous motor Induction motor Reluctance motor ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In all machine stator and rotor magnetic field rotates (stationary with respect to each other) at synchronous speed with respect to stationary observer.
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