DGVCL Exam Paper (11-12-2011) In a power plant, a reserve generating capacity which is not in service but is in operation is known as Spinning reserve Firm power Hot reserve Cold reserve Spinning reserve Firm power Hot reserve Cold reserve ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) If the excitation of a synchronous generator fails, it acts as a Synchronous motor Induction motor Induction generator Synchronous generator Synchronous motor Induction motor Induction generator Synchronous generator ANSWER EXPLANATION DOWNLOAD EXAMIANS APP if excitation of synchronous generator fails, operate as induction motor
DGVCL Exam Paper (11-12-2011) Transposition of transmission line is done to Reduce skin effect Balance line voltage drop Reduce corona Reduce line loss Reduce skin effect Balance line voltage drop Reduce corona Reduce line loss ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) A fuse wire should have Low specific resistance and high melting point High specific resistance and low melting point Low specific resistance and low melting point High specific resistance and high melting point Low specific resistance and high melting point High specific resistance and low melting point Low specific resistance and low melting point High specific resistance and high melting point ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) The purpose of providing a choke in a tube light is To improve the power factor To limit the current to an appropriate value To eliminate corona effect To avoid radio interference To improve the power factor To limit the current to an appropriate value To eliminate corona effect To avoid radio interference ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) The advantage of slipring induction motor over the squirrel cage induction motor is It has a higher efficiency It can be started with the help of rotor resistances It's power factor is higher It is suitable for higher speeds It has a higher efficiency It can be started with the help of rotor resistances It's power factor is higher It is suitable for higher speeds 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.
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