MGVCL Exam Paper (30-07-2021 Shift 3) In which of the following situations, there is no need to provide directional overcurrent protection. ring main single end fed, single feeder double end fed, single feeder single end fed, parallel feeder ring main single end fed, single feeder double end fed, single feeder single end fed, parallel feeder ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Directional overcurrent relay protection is used for parallel feeder and ring main system.It is not used for the protection of radial system.
MGVCL Exam Paper (30-07-2021 Shift 3) In a power network, 375 kV is recorded at a 400 kV bus. A 45 MVAR, 400 kV shunt reactor is connected to the bus. What is the reactive power absorbed by the shunt reactor? 59.55 MVAR 39.55 MVAR 49.55 MVAR 69.55 MVAR 59.55 MVAR 39.55 MVAR 49.55 MVAR 69.55 MVAR ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Q = V²/XX = 400²/45= 3555.55 ohmFor 375 kV,Q = 375²/3555.55= 39.55 kVAR
MGVCL Exam Paper (30-07-2021 Shift 3) The process of peeling of rocks into layers is called Sublimation Delta Exfoliation Brachans Sublimation Delta Exfoliation Brachans ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 3) Nairobi negotiations are related to which of the following Organisation? The United Nations Children's Fund World Economic Forum UNESCO World Trade Organisation The United Nations Children's Fund World Economic Forum UNESCO World Trade Organisation ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 3) A DC shunt generator has an induced voltage of 220 V on open circuit. When the machine is on load the terminal voltage is 200 V. Find the load current if the field resistance is 100 Ω and armature resistance is 0.2 Ω. 102 A 96 A 104 A 98 A 102 A 96 A 104 A 98 A ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Voltage equation for Dc shunt generator,Eb = V + Ia*RaV = Ish*RshIsh = 200/100= 2 AEb = V + Ia*Ra20 = Ia*RaIa = 20/0.2= 100 AI = 100 - 2= 98 A
MGVCL Exam Paper (30-07-2021 Shift 3) As per Stockholm International Peace Research Institute (SIPRI) report 2019 for the period 2014-2018, which country is the largest arms importer in the world? Saudi Arabia India Germany Myanmar Saudi Arabia India Germany Myanmar ANSWER DOWNLOAD EXAMIANS APP
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