DGVCL Exam Paper (11-12-2011) Hysteresis in an instrument means The change in the same reading when the input is first increased and then decreased The reliability of the instrument The repeatability of the instrument The inaccuracy due to change in temperature The change in the same reading when the input is first increased and then decreased The reliability of the instrument The repeatability of the instrument The inaccuracy due to change in temperature ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) If the dielectric strength of the medium between the contacts builds up more rapidly than the restriking voltage the arc will Extinguish Decrease in size Restrike Increase in size Extinguish Decrease in size Restrike Increase in size ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) If a 5 A fuse is blown frequently in a house lighting circuit, it is required to Insert a fuse of higher voltage rating Check the load Insert a fuse of higher current rating Reduce the load Insert a fuse of higher voltage rating Check the load Insert a fuse of higher current rating Reduce the load ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) What type of insulator is used if the direction of the transmission line is to be changed? Strain type Pin type Shakle type Suspebsion type Strain type Pin type Shakle type Suspebsion type ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) The purpose of interpoles in DC machines is to nullify Both the cross-magnetizing mmf and the reactance voltage The reactance voltage The cross-magnetizing effect of armature mmf The demagnetizing effect of armature mmf Both the cross-magnetizing mmf and the reactance voltage The reactance voltage The cross-magnetizing effect of armature mmf The demagnetizing effect of armature mmf ANSWER EXPLANATION DOWNLOAD EXAMIANS APP interpoles is widely use to improve commutationplace between main poles fitted to yokefunctions:to neutralize armature mmf in commutating zoneto produce some flux in commutating zone
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 Hot reserve Firm power Cold reserve Spinning reserve Hot reserve Firm power Cold reserve Spinning reserve ANSWER DOWNLOAD EXAMIANS APP
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