69151. For the system in the given figure G varies slightly, the ratio of open loop sensitivity to closed loop sensitivity is
69152. The M circle for M = 1 is the
69153. Which of the following can act as error detecting devices a pair of potentiometersa pair of synchrosa differential transformera metadynea control transformer Select the answer using the following codes:
69154. The loop transfer function of a feedback system is . The number of asymptotes of its root loci are
69155. Assertion (A): If minimum phase system has a gain margin of 8 dB and phase margin of 21°, the system is stable.Reason (R): For a minimum phase system both GM and PM must be positive for the system to be stable.
69156. For 0 < M < 1, the centres of M circle lie to the right of origin.
69157. Assertion (A): In root locus the breakaway and break in points either lie on real axis or occur in complex conjugate pairs.Reason (R): All root locus asymptotes intersect on real axis.
69158. Assertion (A): Integration in time domain is converted into division in s domainReason (R):
69159. A conditionally stable system is stable for the value of gain between two critical values. It is unstable if
69160. Transport lag usually exists in
69161. The constant magnitude of G(s) plane are
69162. For a closed loop systemThe imaginary axis intercept of the root loci will be
69163. IQ range of mild intellectual Disability is
69164. Assertion (A): In an automobile the amount of fuel admitted to the engine is adjusted as per the difference between desired and actual speed.Reason (R): The control signal is the amount of fuel to be admitted to the engine.
69165. A system is highly oscillatory if
69166. The effect of adding poles and zeros can be determined quickly by
69167. In force current analogue, mechanical mobility is analogous to
69168. If any term in the first column of a Routh array becomes zero, then
69169. Which of the following features is not associated with Nichols chart?
69170. Which of the following is a typical anti psychotic?
69171. Which of the following can be used as a rotating amplifier in a control system? AmplidyneSeparately excited dc generatorSynchroSelf excited dc generator Select the answer from the following codes:
69172. A lead compensator
69173. For the system in the given figure the characteristic equation is
69174. Mechanical impedance is the ratio of
69175. For the system in the given figure. The transfer function C(s)/R(s) is
69176. Whether a linear system is stable or unstable that it
69177. Pseudodementia reported in
69178. Ingredient responsible for psychoactive effect of Cannabis is
69179. IUGR can occur in all except
69180. The commonest cause of first trimester abortion is
69181. Clue cells are seen in
69182. The colour subcarrier and sidebands produced by its modulation with the chrominance signals are accommodated in the standard channel width by the process of
69183. In FM signal with a modulation index mf is passed through a frequency tripler. The wave in the output of the tripler will have a modulation index of
69184. In colour TV receiver, varactor diode is used for
69185. The number of noise sources in a BJT are
69186. Energy content of atmospheric noise
69187. A 400 W carrier is amplitude modulated with m = 0.75. The total power in AM is
69188. c(t) and m(t) are used to generate an FM signal. If the peak frequency deviation of the generated FM signal is three times the transmission bandwidth of the AM signal, then the coefficient of the term cos [2p (1008 x 103t)] in the FM signal (in terms of the Bessel Coefficients) is
69189. Non-coherently detection is not possible for
69190. Tracking of extra terrestrial objects requires
69191. Assertion (A): Free space does not interfere with normal radiation and propagation of radio wavesReason (R): Free space has no magnetic or gravitational fields.
69192. In radar systems PRF stands for
69193. Which of the following cannot be the Fourier series expansion of a periodic signal?
69194. Which of the following is the indirect way of FM generation?
69195. A telephone exchange has 9000 subscribers. If the number of calls originating at peak time is 10, 000 in one hour, the calling rate is
69196. As the frequency increases, the absorption of ground wave by earth's surface
69197. The velocity of sound waves in air
69198. The range of a cordless telephone is about
69199. An earth mat for a communication tower consists of
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