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ESE Technical Revision Quiz 20
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Question 1
Find the correct logic equation for output variable Y from the state table Z?
Question 2
Assertion (A): PCM/FM systems transmit PCM pulses by modulating a high frequency carrier and hence occupy large bandwidth and eliminate distortion.
Reason (R): Large bandwidth ensures SNR trade off and hence distortion-less transmission is ensured.
Reason (R): Large bandwidth ensures SNR trade off and hence distortion-less transmission is ensured.
Question 3
Aliasing in the context of programming language refers to multiple variables having the same
Question 4
In a closed loop ON/OFF control system, what will be the error signal?
Question 5
Statement (I): A flip-flop is a bistable multivibrator.
Statement (II): A flip-flop remains in one stable state indefinitely until it is directed by an input single to switch over to the other stable state.
Statement (II): A flip-flop remains in one stable state indefinitely until it is directed by an input single to switch over to the other stable state.
Question 6
Which among the following statement is correct as per Friis Transmission Formula?
i. power loss will be less at higher frequencies
ii. antennas with gain have high energy transfer at high frequencies
iii. path loss is the difference of power received and power transmitted
i. power loss will be less at higher frequencies
ii. antennas with gain have high energy transfer at high frequencies
iii. path loss is the difference of power received and power transmitted
Question 7
In a typical small signal silicon ideal diode, the voltage at the knee point will be between:
Question 8
Match List-i with List-ii and select the correct answer using the code given below the lists:
List-i
A- Electrostriction
B- Ionic conductivity
C- Peltier heat
D- Villari effect
List-ii
1. Converse of Seebeck effect
2. Reverse effect of piezoelectricity
3. Converse effect of magnetostriction
4. Conductivity of insulators
Codes:
A B C D
List-i
A- Electrostriction
B- Ionic conductivity
C- Peltier heat
D- Villari effect
List-ii
1. Converse of Seebeck effect
2. Reverse effect of piezoelectricity
3. Converse effect of magnetostriction
4. Conductivity of insulators
Codes:
A B C D
Question 9
In the ionosphere layer, the lowest frequency signal that penetrates the layer upon vertical incidence is given by
Question 10
Direction: Each of the question consist of two statements, one labeled as the ‘Statement (I)’ and the other as ‘Statement (II)’. Examine these two statements carefully and select the answer to these items using the codes given below:
Statement (I): PID control system performs better than most predictive control methods in the context of measured distrubances.
Statement (II): PID controllers are most popular controller and it is an essential part of any control loop in process industry
Statement (II): PID controllers are most popular controller and it is an essential part of any control loop in process industry
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ESE & GATE ECGeneralDec 20ESE & GATE EC
