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 Trade Organisation UNESCO World Economic Forum The United Nations Children's Fund World Trade Organisation UNESCO World Economic Forum ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 3) The current in the coil of a large electromagnet falls from 6 A to 2 A in 10 ms. The induced emf across the coil is 100 V. Find the self-inductance of the coil. 0.75 H 0.5 H 1.25 H 0.25 H 0.75 H 0.5 H 1.25 H 0.25 H ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Equation of self inductance:V = Ls*(di/dt)Ls = V/(di/dt)= 100/((6 - 2)/(0.01))= 0.250 H= 250 mH
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. 96 A 98 A 102 A 104 A 96 A 98 A 102 A 104 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) A 10-pole induction motor is supplied by a 6-pole alternator, which is driven at 1400 rpm. If the motor runs with a slip of 5%, what is its speed? 1425 rpm 1575 rpm 798 rpm 882 rpm 1425 rpm 1575 rpm 798 rpm 882 rpm ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Slip of the induction motor,S = (Ns - Nr)/NsNs = (120*f)/PPoles (P) = 61400 = (120*f)/6f = 70 HzFor P = 10Ns = (120*70)/10= 840 rpmNr = Ns(1 - S)= 840*(1 - 0.05)= 798 rpm
MGVCL Exam Paper (30-07-2021 Shift 3) What is the full form of the acronym 'SWIFT', in financial institution? Social World interconnection in Financial Tech process Society website in Financial Terms Society for Worldwide Interbank Financial Telecommunication Social Wide in Financial Transaction Social World interconnection in Financial Tech process Society website in Financial Terms Society for Worldwide Interbank Financial Telecommunication Social Wide in Financial Transaction ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 3) In public sector, what is the full form of "LIC"? Life Insurers Life Insurance Company Lively Insurance Corporation Life Insurance Corporation Life Insurers Life Insurance Company Lively Insurance Corporation Life Insurance Corporation ANSWER DOWNLOAD EXAMIANS APP