MGVCL Exam Paper (30-07-2021 Shift 3) Transistors were used in Third Generation Computers First Generation Computers Fourth Generation Computers Second Generation Computers Third Generation Computers First Generation Computers Fourth Generation Computers Second Generation Computers ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 3) The maximum value of power factor is ____ and it exists in a pure____ circuit. 0.866, inductive 0.866, resistive 1, inductive 1, resistive 0.866, inductive 0.866, resistive 1, inductive 1, resistive ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Value of power factor is varies from 0 to 1.R→PF = 1L→PF = 0 lagC→PF = 0 leadR-L→0 lag < PF < 1R-C→0 lead < PF < 1R-C-L→depends on value of R, L and C. PF = R/Z
MGVCL Exam Paper (30-07-2021 Shift 3) The complex power injections at a bus are shown in figure Two lines connected drawing the powers as shown in figure. The complex power in the line-2 "S2" is 2+j1 2-j1 2+j5 2-j5 2+j1 2-j1 2+j5 2-j5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total power generate (Sg) = S1 + S2S2 = Sg - S1= 5 + 3j - 3 + 2j= 2 + 5j
MGVCL Exam Paper (30-07-2021 Shift 3) A single phase full converter bridge, connected to 230 V, 50 Hz source is feeding a load R =10 Ω in series with a large inductance that makes the load current ripple free. For a firing angle of 450, calculate the rectification efficiency. 76.66% 63.66% 28.33% 50.55% 76.66% 63.66% 28.33% 50.55% ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Rectification efficiency = DC output power/AC input power
MGVCL Exam Paper (30-07-2021 Shift 3) Which feature is used in Ms Word to make the selected sentence to All Capital Letters or All Small Letters? Change sentence Change case Change latter Change capital Change sentence Change case Change latter Change capital ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 3) નીચે પૈકી કેટલી કહેવતો વિરુદ્ધાથીઁ છે?.1. પાંચ બોલે તે પરમેશ્વર - ગામને મોઢે ગળણું ન બંધાય.2. ચોરની ચાર અને જોનારની બે - વિશ્વાસે વહાણ ચાલે.3. ખાલી ચણો વાગે ઘણો - અધુરો ઘડો છલકાય.4. હાથના કર્યા હૈયે વાગ્યા - દીવો લઈને કૂવામાં પડવું બધી કહેવતો સમાનર્થી છે એક પણ નહિ કુલ 1 કુલ 3 બધી કહેવતો સમાનર્થી છે એક પણ નહિ કુલ 1 કુલ 3 ANSWER DOWNLOAD EXAMIANS APP
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