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DATE:-April 15, 2026
1.
Manipulate the following equation to solve for x:
2.
Which of the following ratios is equivalent to the ratio 25:300 ?
3.
All causal systems must have the component of
4.
Which property of fourier transform gives rise to an additional phase shift of -2? ftd for the generated time delay in the communication
5.
For open control system which of the following statements is incorrect ?
6.
Grand Central Terminal, Park Avenue, New York is the world’s
7.
A semiconductor has………… temperature coefficient of resistance.
8.
Reactance bipolar transistor
9.
The random motion of holes and free electrons due to thermal agitation is called ……….
10.
For attenuation of high frequencies we should use
11.
A hole and electron in close proximity would tend to ……….
12.
A control system working under unknown random actions is called
13.
Garampani sanctuary is located at
14.
Commercial Frequency deviation of FM is
15.
Which of the following devices are commonly used as error detectors in instruments ?
16.
The Fourier series of an odd periodic function contains
17.
By which of the following the control action is determined when a man walks along a path ?
18.
Manipulate the following equation to solve for x: a = √bx2
19.
A good control system has all the following features except
20.
What is the nature of Fourier representation of a discrete & aperiodic signal?
21.
A cordless telephone using separate frequencies for transmission in base and portable units is known as
22.
Which of the following statements is correct?
23.
Has tendency to oscillate.
24.
Any externally introduced signal affecting the controlled output is called a
26.
A semiconductor is formed by……… bonds.
27.
Which of the following should be done to make an unstable system stable ?
28.
Unilateral Laplace Transform is applicable for the determination of linear constant coecient dierential equations with ________
29.
In an open loop control system
30.
A car is running at a constant speed of 50 km/h, which of the following is the feedback element for the driver ?
31.
In closed loop control system, with positive value of feedback gain the overall gain of the system will
32.
A closed loop system is distinguished from open loop system by which of the following ?
33.
As the doping to a pure semiconductor increases,the bulk resistance of the semiconductor………..
34.
Complex numbers are used in AC circuit analysis primarily to represent:
35.
To eliminate ghosts in the picture
36.
Double integration of a unit step function would lead to
37.
A hole in a semiconductor is defined as…………….
38.
Duality Theorem / Property of Fourier Transform states that _________
39.
An FM radio receiver which is tuned to a 91.6 MHz broadcast station may receive an image frequency of __________ MHz.
40.
Which of the following national parks is not listed in a UNESCO World Heritage site?
41.
For telegraphy the most commonly used modulation system is
42.
A woofer should be fed from the input through a
43.
The sine function is defined as ratio of side lengths,
44.
In a semiconductor,current conduction is due to ……..
45.
A signal g(t) = A then g(t) is a
46.
The impurity level in an extrinsic semiconductor is about…..of pure semiconductor.
47.
Which of the following personalities gave ‘The Laws of Heredity’?
49.
Which among the following belongs to the category of non-recursive systems?
50.
A semiconductor has generally……………… valence electrons.
51.
When a pure semiconductor is heated,its resistance …………..
52.
The initial response when tne output is not equal to input is called
53.
Which property of periodic signal in DTFS gets completely claried /identied by the equation x (n – n0 )?
54.
An automatic toaster is a ______ loop control system.
55.
Two rectangular waveforms of duration t1 and t2 seconds are convolved. What is the shape of the resulting waveform?
56.
The signal dened by the equations f(t) = 0 for t < 0, f(t) = E for 0 ? t ? a and f(t) = 0 for t > a is
57.
A control system in which the control action is somehow dependent on the output is known as
58.
For a low level AM system, the amplifiers modulated stage must be
59.
Who is known as “The Saint of Gutters”?
60.
Factor the following polynomial expression: x2 −x−12
61.
When a pentavalent impurity is added to a pure semiconductor,it becomes……
62.
Solve for both x and y in this simultaneous system of equations: x + 3y = −1, 4x−y = 9
63.
If the cosine of angle θ is equal to 0.5, and the length of the opposite side is 20 meters, calculate the length of the hypotenuse.
64.
The frequency range of 300 kHz to 3000 kHz is known as
65.
Name the person who was also known as Deshbandhu.
66.
As per time displacement theorem in Laplace transformation, displacement in the time domain by T becomes
67.
The resistivity of pure germanium under standard conditionsis about……….
68.
Convert an angle of 75 degrees into radians:
70.
The colour of an object is decided by
71.
A modem is classified as low speed if data rate handled is
73.
Which of the following statements is not necessarily correct for open control system ?
74.
In Modulation, “carrier” is
75.
VSB modulation is preferred in TV because
76.
A system which is linear is said to obey the rules of
77.
A time invariant system is a system whose output
78.
Damped sinusoids are _____
79.
Positive logic in a logic circuit is one in which
80.
Addition of trivalent impurity to a semiconductor creates many……..
81.
If output power of a radio receiver is doubled, its volume is increased by __________ dB.
82.
The strength of a semiconductor crystal comes from ……..
83.
A pentavalent impurity has……….Valence electrons
84.
A trivalent impurity has…..valence electrons
85.
Addition of pentavalent impurity to a semiconductor creates many……..
86.
An n-type semiconductor is………
87.
Under which conditions does an initially relaxed system become unstable ?
88.
The resistivity of a pure silicon is about……………
89.
Which of the following is an open loop control system ?
90.
A system is said to be dened as non causal, when
91.
Which of the following does not cause losses in optical fiber cables?
92.
Which crop is sown on the largest area in India?
93.
Which of the following is an indirect way of generating FM?
94.
.... is a part of the human temperature control system.
95.
Which among the following operations is/are not involved /associated with the computation process of linear convolution?
96.
.... is a closed loop system.
97.
Eritrea, which became the 182nd member of the United Nations in 1993, is on the continent of
98.
In Pulse Code Modulation system
99.
Which type of system response to its input represents the zero value of its initial condition?
100.
Themost commonlyused semiconductoris………..
