DGVCL Exam Paper (11-12-2011) Permittivity is expressed in terms of farad/sq. m. N/m Farad/m Weber /m farad/sq. m. N/m Farad/m Weber /m ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) The main criterion for the design of a distributor is Radio interference Voltage drop Temperature rise Corona loss Radio interference Voltage drop Temperature rise Corona loss ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Which of the following power distribution system gives better reliabity ? None of these Radial system Ring main system DC 3 wire system None of these Radial system Ring main system DC 3 wire system ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) DC series motors are best suited for traction work because Torque and speed are proportional to the square of the armature current Its torque is proportional to the square of the armature current and speed is inversely proportional to torque Its torque is proportional to the square of the armature current and speed is directional proporational to torque Torque and speed are inversely proportional to the square of the armature current Torque and speed are proportional to the square of the armature current Its torque is proportional to the square of the armature current and speed is inversely proportional to torque Its torque is proportional to the square of the armature current and speed is directional proporational to torque Torque and speed are inversely proportional to the square of the armature current ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Torque in d.c motor = k* φ * IaIn series motor φ α IaTα I²N α 1/φN α 1/T
DGVCL Exam Paper (11-12-2011) The circuit breaker generally used in railway traction is Minimum Oil CB Bulk Oil CB Air break CB Vacuum CB Minimum Oil CB Bulk Oil CB Air break CB Vacuum CB ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Fot fast load flow calculations, the best method is De-coupled method Newton-Raphson Gauss-Siedal Approximate method De-coupled method Newton-Raphson Gauss-Siedal Approximate method ANSWER DOWNLOAD EXAMIANS APP
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