Welcome to
TheInstrumentGuru.com
Thanks for choosing self assessment Quiz.
Check Your Ability in given 100 Questions.
Result will show after submission of quiz.
DATE:-April 25, 2025
1.
A signal g(t) = A then g(t) is a
2.
By which of the following the control action is determined when a man walks along a path ?
3.
For a low level AM system, the amplifiers modulated stage must be
4.
Which type of system response to its input represents the zero value of its initial condition?
7.
Factor the following polynomial expression: x2 −x−12
8.
The resistivity of a pure silicon is about……………
9.
The initial response when tne output is not equal to input is called
10.
Addition of trivalent impurity to a semiconductor creates many……..
11.
Two rectangular waveforms of duration t1 and t2 seconds are convolved. What is the shape of the resulting waveform?
12.
All causal systems must have the component of
13.
Reactance bipolar transistor
14.
Commercial Frequency deviation of FM is
15.
A pentavalent impurity has……….Valence electrons
16.
For open control system which of the following statements is incorrect ?
17.
Which of the following ratios is equivalent to the ratio 25:300 ?
18.
A semiconductor has generally……………… valence electrons.
19.
Themost commonlyused semiconductoris………..
20.
A hole in a semiconductor is defined as…………….
21.
An automatic toaster is a ______ loop control system.
22.
In a semiconductor,current conduction is due to ……..
23.
The resistivity of pure germanium under standard conditionsis about……….
24.
A closed loop system is distinguished from open loop system by which of the following ?
25.
Which among the following operations is/are not involved /associated with the computation process of linear convolution?
26.
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
27.
Name the person who was also known as Deshbandhu.
28.
The random motion of holes and free electrons due to thermal agitation is called ……….
29.
A semiconductor is formed by……… bonds.
30.
A control system working under unknown random actions is called
31.
For attenuation of high frequencies we should use
32.
Who is known as “The Saint of Gutters”?
33.
Garampani sanctuary is located at
34.
A car is running at a constant speed of 50 km/h, which of the following is the feedback element for the driver ?
35.
A trivalent impurity has…..valence electrons
36.
Which of the following devices are commonly used as error detectors in instruments ?
37.
Which of the following statements is correct?
38.
A cordless telephone using separate frequencies for transmission in base and portable units is known as
39.
For telegraphy the most commonly used modulation system is
40.
Which property of periodic signal in DTFS gets completely claried /identied by the equation x (n – n0 )?
41.
When a pentavalent impurity is added to a pure semiconductor,it becomes……
42.
The Fourier series of an odd periodic function contains
43.
Solve for both x and y in this simultaneous system of equations: x + 3y = −1, 4x−y = 9
44.
Manipulate the following equation to solve for x: a = √bx2
45.
Damped sinusoids are _____
46.
An FM radio receiver which is tuned to a 91.6 MHz broadcast station may receive an image frequency of __________ MHz.
47.
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.
48.
Which of the following is an indirect way of generating FM?
49.
A good control system has all the following features except
50.
Complex numbers are used in AC circuit analysis primarily to represent:
51.
Which of the following is an open loop control system ?
52.
Has tendency to oscillate.
53.
.... is a closed loop system.
54.
Under which conditions does an initially relaxed system become unstable ?
57.
A semiconductor has………… temperature coefficient of resistance.
58.
What is the nature of Fourier representation of a discrete & aperiodic signal?
59.
A system which is linear is said to obey the rules of
60.
As per time displacement theorem in Laplace transformation, displacement in the time domain by T becomes
61.
A woofer should be fed from the input through a
62.
Which of the following national parks is not listed in a UNESCO World Heritage site?
63.
As the doping to a pure semiconductor increases,the bulk resistance of the semiconductor………..
64.
A control system in which the control action is somehow dependent on the output is known as
65.
VSB modulation is preferred in TV because
66.
If output power of a radio receiver is doubled, its volume is increased by __________ dB.
67.
The sine function is defined as ratio of side lengths,
68.
Which crop is sown on the largest area in India?
69.
Which among the following belongs to the category of non-recursive systems?
70.
Unilateral Laplace Transform is applicable for the determination of linear constant coecient dierential equations with ________
71.
The colour of an object is decided by
72.
Positive logic in a logic circuit is one in which
73.
Which of the following personalities gave ‘The Laws of Heredity’?
74.
In Pulse Code Modulation system
75.
A time invariant system is a system whose output
76.
Double integration of a unit step function would lead to
77.
Any externally introduced signal affecting the controlled output is called a
78.
Manipulate the following equation to solve for x:
79.
The strength of a semiconductor crystal comes from ……..
80.
Which property of fourier transform gives rise to an additional phase shift of -2? ftd for the generated time delay in the communication
81.
Which of the following does not cause losses in optical fiber cables?
82.
In an open loop control system
83.
Grand Central Terminal, Park Avenue, New York is the world’s
84.
Eritrea, which became the 182nd member of the United Nations in 1993, is on the continent of
85.
A modem is classified as low speed if data rate handled is
86.
In Modulation, “carrier” is
87.
An n-type semiconductor is………
88.
.... is a part of the human temperature control system.
89.
The impurity level in an extrinsic semiconductor is about…..of pure semiconductor.
90.
In closed loop control system, with positive value of feedback gain the overall gain of the system will
91.
Convert an angle of 75 degrees into radians:
92.
A hole and electron in close proximity would tend to ……….
93.
The frequency range of 300 kHz to 3000 kHz is known as
94.
To eliminate ghosts in the picture
95.
Which of the following should be done to make an unstable system stable ?
96.
When a pure semiconductor is heated,its resistance …………..
97.
Addition of pentavalent impurity to a semiconductor creates many……..
98.
Duality Theorem / Property of Fourier Transform states that _________
99.
Which of the following statements is not necessarily correct for open control system ?
100.
A system is said to be dened as non causal, when
