DGVCL Exam Paper (11-12-2011) Different computers are connected to a LAN by a cable and a Interface card Special wires Modem Telephone line Interface card Special wires Modem Telephone line ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) The advantage of slipring induction motor over the squirrel cage induction motor is It can be started with the help of rotor resistances It is suitable for higher speeds It's power factor is higher It has a higher efficiency It can be started with the help of rotor resistances It is suitable for higher speeds It's power factor is higher It has a higher efficiency ANSWER EXPLANATION DOWNLOAD EXAMIANS APP slip ring motor have high starting torque compare to squirrel cage motor and have good speed controlalso have high over loading capacity, smooth acceleration under heavy loads.
DGVCL Exam Paper (11-12-2011) An over excited synchronous motor draws current at Depends on nature of load Lagging power factor Leading power factor Unity power factor Depends on nature of load Lagging power factor Leading power factor Unity power factor ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Over excitation : leading currentUnder excitation : lagging currentNormal excitation : current with unity PF (in phase current)
DGVCL Exam Paper (11-12-2011) People can interact with each other through any part of the world through video conferencing using Scanner Joystick Webcam Speaker Scanner Joystick Webcam Speaker ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Buchholz relay causes Tripping for both major and minor faults Tripping for minor faults and alarm for major faults Alarm for both major and minor faults Tripping for major faults and alarm for minor faults Tripping for both major and minor faults Tripping for minor faults and alarm for major faults Alarm for both major and minor faults Tripping for major faults and alarm for minor faults 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 is safe to human beings It protects the secondary ciruits It avoids core saturation and high voltage induction It protects the primary ciruits It is safe to human beings It protects the secondary ciruits It avoids core saturation and high voltage induction ANSWER DOWNLOAD EXAMIANS APP
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