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MGVCL Exam Paper (30-07-2021 Shift 1)

MGVCL Exam Paper (30-07-2021 Shift 1)
જ્વાળા: ધુમાડો:: બરફ : ___

ગરમી
તાપમાન
બાષ્પ
શીતળતા

ANSWER DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 1)
જીવનમાં તડકોછાયો એતો એક ઘટમાળ છે.વાક્યમાં ક્યા સમાસનો ઉપયોગ કરવામાં આવ્યો છે?

કર્મધારય
તત્પુરુષ
દ્વન્દ્વ
ઉપપદ

ANSWER DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 1)
The frequency of the emf in the stator of a 4-pole induction motor is 50 Hz, and that in the rotor is 2 Hz. What is the slip and at what speed is the motor running?

3%, 1440 rpm
4%, 1440 rpm
4%, 1455 rpm
3%, 1455 rpm

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Rotor frequency, f_r = s*f_s
s = 2/50
s = 0.04

Ns = 120f/P
Ns = 1500 rpm
s = (Ns - Nr)/Ns
Nr = Ns(1 - s)
Nr = 1500*(1 - 0.04)
Nr = 1440 rpm

MGVCL Exam Paper (30-07-2021 Shift 1)
A ___ is a device that forwards packets between networks by processing the routing information included in the packet.

Router
Firewall
Bridge
all the mentioned above

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MGVCL Exam Paper (30-07-2021 Shift 1)
Three resistances 750 Ω, 600 Ω and 200 Ω are connected in parallel. The total current is 1 A. Determine the voltage applied.

125 V
100 V
150 V
200 V

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Equivalent resistance of the circuit, Req = (750|| 600 || 200)
Req = 125 Ω
Current from source = 1 A
Source voltage = 1*125
Source voltage = 125 V

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
20 pF
10 pF
40 pF

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Z = √(L/C)
C = L/Z²
C = 50*10⁻⁹/(50*50)
C = 0.02 nF
C = 20 pF

MORE MCQ ON MGVCL Exam Paper (30-07-2021 Shift 1)

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