The critical point lies within the nyquist plot then the system is Unstable
Description : A unity negative feedback control system is found to have a gain margin of 20 dB. The Nyquist plot of the system (A) crosses the real axis at +0.1 (B) crosses the real axis at -0.1. (C) crosses the imaginary axis at -0.1 (D) crosses the imaginary axis at +0.1
Last Answer : A unity negative feedback control system is found to have a gain margin of 20 dB. The Nyquist plot of the system crosses the real axis at -0.1.
Description : By adding a pole at the origin of s -plane, the Nyquist plot of a system will rotate by (a) 90° in anti -clockwise direction (b) 90° in clockwise direction (c) 180° in anti -clockwise direction (d) 180° in clockwise direction
Last Answer : By adding a pole at the origin of s -plane, the Nyquist plot of a system will rotate by 90° in clockwise direction
Description : The unit circle of the Nyquist plot transforms into unity or 0 dB line of the amplitude plot of the Bode diagram for
Last Answer : The unit circle of the Nyquist plot transforms into unity or 0 dB line of the amplitude plot of the Bode diagram for all frequencies
Description : In root locus plot, a point on the real axis lies on the locus, if the number of open loop poles plus zeros on real axis to the a) left of the point is odd b) left of the point is even . c) right of the pointis odd d) right of the point is even
Last Answer : In root locus plot, a point on the real axis lies on the locus, if the number of open loop poles plus zeros on real axis to the right of the pointis odd
Description : Which statement is INCORRECT in relation to NYQUIST and BODE analyses ? (A) Number of closed-loop poles in the right-half S-plane can be determined using Nyquist Criterion. (B) Bode analysis ... another for phase angle. (D) Relative stability can be assessed from both Nyquist and Bode analyses.
Last Answer : Which statement is INCORRECT in relation to NYQUIST and BODE analyses ? (A) Number of closed-loop poles in the right-half S-plane can be determined using Nyquist Criterion. (B) Bode ... for phase angle. (D) Relative stability can be assessed from both Nyquist and Bode analyses.
Description : Whether a given point in the S-plane lies on the Root Locus of a system can be determined by (A) Magnitude criterion (B) Angle Criterion (C) Both Magnitude and Angle Criteria (D) Break-in and Break-away Criteria
Last Answer : Whether a given point in the S-plane lies on the Root Locus of a system can be determined by Angle Criterion
Description : In the Bode plot of a unity feedback control system, the value of phase of G(jw) at the gain cross -over frequency is - 125°.. The phase margin of the system is (a) - 125° (b) - 55° (c) 55° (d) 125°
Last Answer : In the Bode plot of a unity feedback control system, the value of phase of G(jw) at the gain cross -over frequency is - 125°.. The phase margin of the system is 55°
Description : In a Bode magnitude plot, which one of the following slopes would be exhibited at high frequencies by a 4th order all-pole system? (A) – 80 dB/decade (B) – 40 dB/decade (C) +40 dB/decade (D) +80 dB/decade
Last Answer : In a Bode magnitude plot, which one of the following slopes would be exhibited at high frequencies by a 4th order all-pole system? (A) – 80 dB/decade (B) – 40 dB/decade (C) +40 dB/decade (D) +80 dB/decade
Description : If the gain of the critical damped system is increased it will behave as?
Last Answer : If the gain of the critical damped system is increased it will behave as underdamped.
Description : Out of two equilibrium curves, first one lies above the diagonal and the second lies below the diagonal in the x-y plot. It means that separation by distillation is (A) Not possible in the second ... (C) More readily done in the second case compared to first one (D) None of these
Last Answer : (C) More readily done in the second case compared to first one
Description : Pick up the correct statement from the following: (A) To locate a gross error in bearing that may exist in controlled theodolite traverse, we may plot the traverse from each end. The traverse station having ... the same as that of the leg in which the gross error consists (D) All the above
Last Answer : (D) All the above
Description : ECE Board Exam March 1996 According to the Nyquist theorem, the sampling rate that can be used in a PCM system is ________ the highest audio frequency. A. once B. eight times C. twice D. thrice
Last Answer : C. twice
Description : Which theory states that the light wave behaves as if it consists of many tiny particles? a. Huygen’s theory b. Wave theory of light c. Nyquist theory d. Quantum theory
Last Answer : d. Quantum theory
Description : What theorem sets a limit on the maximum capacity of a channel with a given noise level? A. Nyquist theorem B. Hartley law C. Shannon-Hartley theorem D. Shannon theorem
Last Answer : C. Shannon-Hartley theorem
Description : ______ sets the limit on the maximum capacity of a channel with a given noise level. A. Hartley theorem B. Shannon-hartley theorem C. Nyquist theorem D. Shannon theorem
Last Answer : B. Shannon-hartley theorem
Description : ________ sets a limit on the maximum capacity of a channel with a give noise level. A. Hartley theorem B. Shannon-Hartley theorem C. Nyquist theorem D. Shannon theorem
Last Answer : B. Shannon-Hartley theorem
Description : The Nyquist theorem specifies the minimum samplingrate to be_______. A) equal to the lowest frequency of asignal B) equal to the highest frequency ofa signal C) twice thebandwidth of a signal D) twice thehighest frequencyof a signal
Last Answer : twice thehighest frequencyof a signal
Description : If the frequency spectrum of a signal has a bandwidth of500 Hz with thehighest frequency at 600 Hz, what shouldbe the samplingrate, according to the Nyquist theorem? A) 200 samples/s B) 500 samples/s C) 1000 samples/s D) 1200 samples/s
Last Answer : 1200 samples/s
Description : For a ______ channel, the Nyquist bit rate formula defines thetheoretical maximum bit rate. A) noisy B) noiseless C) bandpass D) low-pass
Last Answer : noiseless
Description : Classify data networks. Explain with the help of Nyquist theorem, the data rate limitations in PSTN’s. Give an account of modems used in data transfer. Explain their importance and list some of the V-series recommendations.
Last Answer : Classifications of Data Network: Data Networks are classified according to their geographical coverage: Wide area networks (WANs) Metropolitan area networks(MANs) Local area ... V.53 Limits for the maintenance of telephone type circuits used for data transmission.
Description : As per Nyquist criterion the sampling rate is (A) 2fs (B) (1/2)fs (C) (1/2fs) (D) (2/fs) Where fs is the signal frequency
Last Answer : (A) 2fs
Description : Which theory states that the light wave behaves as if it consists of many tiny particles? ∙ a. Huygen’s theory ∙ b. Wave theory of light ∙ c. Nyquist theory ∙ d. Quantum theory
Last Answer : ∙ d. Quantum theory
Description : State sampling theorem. Define Nyquist rate.
Last Answer : SAMPLING THEOREM: Sampling theorem states that a band-limited signal of finite energy having the highest frequency component fm Hz can be represented and recovered completely from a set of samples taken ... frequency should be equal to or greater than twice the maximum signal frequency (fs≥ 2fm)
Description : The analog signal m(t) is given below m(t) = 4 cos 100 pt + 8 sin 200 pt + cos 300 pt, the Nyquist sampling rate will be: (1) 1/100 (2) 1/200 (3) 1/300 (4) 1/600
Last Answer : The analog signal m(t) is given below m(t) = 4 cos 100 pt + 8 sin 200 pt + cos 300 pt, the Nyquist sampling rate will be: 1/300
Description : The following are true about the spinal cord: a. segment T12 lies at the level of vertebral body T9 b. cerebrospinal fluid is found within the subdural space c. two point ... the dorsal column d. hemisection results in contralateral loss of pain and temperature sense below the lesio
Last Answer : segment T12 lies at the level of vertebral body T9
Description : In a purely cohesive soil, the critical centre lies at the intersection of (A) Perpendicular bisector of slope and the locus of the centre (B) Perpendicular drawn at 1/3rd slope from toe and the ... C) Perpendicular drawn at 2/3rd slope from toe and the locus of the centre (D) Directional angles
Last Answer : Answer: Option D
Description : Products must plot within ______ units from the center of the circle on the Perceptual Map to survive the rough cut. a. 3.0 b. 4.0 c. 1.0 d. 2.5
Last Answer : b. 4.0
Description : What is the great river that lies entirely within the U.S.?
Last Answer : Need answer
Description : The climate of India is mainly tropical because: [CDS 2002] (a) of the location of the Himalayas in its North (b) major part of India lies within the tropics (c) of the overpowering influence of India Ocean (d) of the seasonal influence of jet streams
Last Answer : Ans: (a)
Description : How much percentage of water lies within the body cells. a. 20% b. 40% c. 60% d. 80%
Last Answer : 40%
Description : There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmospheric layer which lies close to the earth's surface in which human being along with other organisms live is called ... is about __________ °C/km. (A) 0.05 (B) 1 (C) 6.5 (D) 15
Last Answer : (C) 6.5
Description : Which of the following statement(s) is/are correct with reference to curve generation? I. Hermite curves are generated using the concepts of interpolation. II. Bezier curves are generated using the concepts of approximation. III. The ... (B) II and III only (C) I and II only (D) I, II and III only
Last Answer : (D) I, II and III only
Description : Poles are real and negative and equal then the system is _____ damped system (a) Undamped (b) Underdamped (c) Critically damped (d) Overdamped
Last Answer : Poles are real and negative and equal then the system is Critically damped damped system
Description : lf the poles of system are lying on the imaginary axis in s-plane, then the system will be
Last Answer : lf the poles of system are lying on the imaginary axis in s-plane, then the system will be marginally stable
Description : When acetone is added in a two layer mixture of methyl isobutyl ketone and water at 30°C, the acetone distributes between the two layers and the composition of the layer follows two solubility curves. For this system ... at the concentration of the plait point (D) All (A), (B) and (C
Last Answer : (D) All (A), (B) and (C
Description : Pick out the wrong statement. (A) The value of hydrostatic head increases with increase in vacuum in the effect in a multiple effect evaporator system (B) Entering velocity of the liquid in ... a multiple effect evaporation system, the number of effects is limited by the total boiling point rise
Last Answer : (C) Duhring's plot is used for calculating the concentration of solution
Description : The point (2,3) lies on the graph of the linear equation 3x - (a -1)y =2a -1. If the same point also lies on the graph of the linear equation 5x + (1-2a)y = 3b, then find the value of b. -Maths 9th
Last Answer : Given, point (2,3) lies on the line. So, the point (2, 3) is the solution of 3x - (a -1) y = 2a - 1 On putting x = 2 and y = 3 in given solution. ∴ 3 2 - (a-1) 3 = 2a - 1 ⇒ 6 - 3a + 3 = 2a - 1 ⇒ - 3a ... 2 2) 3 = 3b ⇒ 10 - 9 = 3b ⇒ 1 = 3b ⇒ 1 / 3 = b Hence, the value of b is 1 / 3.
Description : If y-coordinate of a point is zero, then this point always lies -Maths 9th
Last Answer : (c) If y-coordinate of a point is zero, then this point always lies on X-axis. Because perpendicular distance of the point from X-axis measured along Y-axis is zero.
Description : If the perpendicular distance of a point P from the X-axis is 5 units and the foot of the perpendicular lies on the negative direction of X-axis, then the point P has -Maths 9th
Last Answer : (d) We know that, the perpendicular distance of a point from the X-axis gives y-coordinate of that point. Here, foot of perpendicular lies on the negative direction of X-axis, so perpendicular distance can be measure in II quadrant or III quadrant. Hence, the point P has y-coordinate = 5 or -5.
Description : If the point (3, 4) lies on the graph of 3y = ax + 7, then find the value of a. -Maths 9th
Last Answer : Since, the point (x = 3, y = 4) lies on the equation 3y = ax + 7, then the equation will be , satisfied by the point. Now, put x = 3 and y = 4 in given equation, we get 3(4) = a (3)+7 ⇒ 12 = 3a+7 ⇒ 3a = 12 – 7 ⇒ 3a = 5 Hence, the value of a is 5/3.
Description : If a point O lies between two points P and R such that PO=OR then prove that PO= 1/2PR. -Maths 9th
Last Answer : THINGS WHICH ARE COINCIDE WITH EACH OTHER ARE EQUAL TO ONE ANOTHER PO+OR=PR 2PO=PR PO=OR PO=1/2PR HENCE PROVED
Description : If the break-even point lies ____ anticipated demand, implying a loss on the product, and then the product may be discontinued or, may receive additional advertising and/or be re- priced to increase demand.
Last Answer : Ans. Above
Description : The driving point impedance with poles at ω = 0(zero) and ω = ∞ (infinity) must have the (a) s term in the denominator and an excess term in the numerator (b) s term in the ... the numerator and denominator (d) s term in the denominator and equal number of terms in the numerator and denominator
Last Answer : The driving point impedance with poles at ω = 0(zero) and ω = ∞ (infinity) must have the s term in the denominator and an excess term in the numerator
Description : What is the most critical aspect in developing a project plan that meets project specifications within the timeframe and at the lowest costs? Select one: a. Assessing risk management b ... business partners e. Developing a project execution plan that matches the complexity level of the project
Last Answer : e. Developing a project execution plan that matches the complexity level of the project
Description : Plot the points P(1, 0), Q(4, 0) and 5(1, 3). Find the coordinates of the point R such that PQRS is a square. -Maths 9th
Last Answer : see the below answer