MGVCL Exam Paper (30-07-2021 Shift 1) The air envelope surrounding the earth is called ___ Lithosphere Asthenosphere Atmosphere Hydrosphere Lithosphere Asthenosphere Atmosphere Hydrosphere ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 1) An eight-pole wave-connected armature has 600 conductors and is driven at 625 rev/min. If the flux per pole is 20 mWb, determine the generated emf. 250 V 500 V 325 V 125 V 250 V 500 V 325 V 125 V ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let,E→EMF in voltφ→Flux in weberA→Parallel path (for wave winding = 2)Z→No. of armature conductorsN→speed in rpmP = Number of polesE = PφNZ/(60A)E = 8*0.020*625/(60*2)E = 500 V
MGVCL Exam Paper (30-07-2021 Shift 1) Who has won the ‘World Games Athlete Of the Year 2019’ ? Marina Chernova Rani Rampal Stanislav Horuna Rhea Stinn Marina Chernova Rani Rampal Stanislav Horuna Rhea Stinn ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 1) A transformer designed for operation at 60 Hz supply is working at 50 Hz supply system without changing its voltage and current ratings. Compared to the full load efficiency at 60 Hz, the full load transformer efficiency at 50 Hz. remains unaltered decreases marginally increases marginally increases by 30% remains unaltered decreases marginally increases marginally increases by 30% ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 1) Calculate the capacitance per meter of a 50 Ω load cable that has an inductance of 50 nH/m. 30 pF 10 pF 20 pF 40 pF 30 pF 10 pF 20 pF 40 pF ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Z = √(L/C)C = L/Z²C = 50*10⁻⁹/(50*50)C = 0.02 nFC = 20 pF
MGVCL Exam Paper (30-07-2021 Shift 1) Which of the following malicious programs does not replicate automatically? Trojan horse Virus Worm Trap doors Trojan horse Virus Worm Trap doors ANSWER DOWNLOAD EXAMIANS APP
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