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ESE EC 2021 Technical Quiz 8
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Question 1
Which of the following information is not a part of process control block (PCB)
Question 2
The fibers mostly NOT used now-a-days for optical fiber communication are
Question 3
The Bandwidth of the input to binary PCM is restricted to 4 kHz. The input signal varies from –3.4 V to 3 .4 V and has the average power of, the required signal to quantization noise power ratio is 20 dB . Assume uniform quantization, and then the number of bits required per sample is
Question 4
The frequency of rotor EMF of an 8-pole induction motor is 2Hz. If the supply frequency is 50Hz, then the motor speed is?
Question 5
For the self-based circuit shown in the above figure RE = 4.7K VCC = 15V , R1 = R2 = 15.5kΩ, RC = 5.7kΩ, The stability factor of the given circuit approximately is (which is given as S= where with ICO and β are the kept constant (take β≫1
Question 6
The microstructure composition of pearlite for Fe3C diagram consist of _________________ .
Question 7
The state equations of a system are given below.
Ẋ =
Y = and X(0) =
The output of the system for the given input is?
Question 8
What would be the reading displayed of 0.5864428 on 1V range in four and a half digit voltmeter?
Question 9
The output waveform V0(t) for the circuit given below. (Assume cut-in voltage of Si-diode)
Question 10
A lossless transmission line of length 50 cm with c = 10 μH/m, c = 40 pF/m is operated at 30 MHz. Its electrical length will be.?
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ESE & GATE ECGeneralMar 11ESE & GATE EC