Go To Top Reset
<<= Back
Next =>>
You Are On Multi Choice Question Bank SET 3095
154751. The condition for stability of second order system is that the two system poles should be :
(A): located at the origin in the 8-plane (B): located in the imaginary axis of s-plane (C): located in the right half of s-plane (D): located in the left half of s-plane
154752. Select the incorrect relation :
(A): TP =-----Z----- (B): £ ■ GAf/100774 (C): Maximum overshoot = lOOe*1^' % (D): Ta=
154753. A unit step applied tothe closed-loop systemA unit step applied to the closed-loop system,
(A): Critically damped response (B): Under damped response (C): Over damped response-5--------with K =1, will show :+ 2a +K (D): Undamped response
154754. The characteristics equation of the system is obtained as, A(s) = s(s + 3X + 10)+K The range of K for stability is:
(A): K>0 (B): 0(C): 0(D): K >390
154755. For a system to be stable :
(A): Both GM and PM should be zero (B): Both GM and PM should be negative (C): Both GM and PM should be positive (D): GM should be infinite and PM should be zero
154756. The system represented by j » £ ^ 5j + u; y = [0l]^ j is :
(A): Controllable and Observable (B): Controllable but Unobservable (C): Uncontrollable and Unobservable (D): Uncontrollable but Observable
154757. A Non-linear system is characterized by :
(A): Multiple equilibrium points (B): Non generation of limit cycle (C): Independed of input signal (D): Independed of initial conditions
154758. Choose the incorrect statement with sampling process :
(A): Sampling frequency should be at least 2 times the highest frequency in the signal (B): Sampling introduces approximately a delay of Ts/2 (C): Pre-filters are used before sampling of the signal to be processed (D): Increase in the sampling frequency increases the stability margin
154759. PID controller introduces :
(A): One pole and one zero (B): One pole and two zeros (C): Two poles and one zero (D): No poles and zeros
154760. The effect of addition of a ‘zero’ to the system is :
(A): To push the root-locus towards the right side of 8-plane (B): To reduce the gain of the system (C): To introduce a delay in the system response (D): To reduce the stable range of operation of the system
154761. Positive feedback is used in :
(A): Furnace temperature control (B): Liquid flow control (C): Speed control of motor (D): Phase shift oscillatorPhase shift oscillator
154762. Tunnel diode :
(A): is a reverse recovery diode (B): is a power diodeis a power diode (C): has light dopinghas light doping (D): has heavy dopinghas heavy doping
154763. The a and β of a transistor are related to each otheras:
(A): (B)=a/1+a (B): B=1+a/1-a (C): a=b/1+B (D): a=1+B/1-B
154764. Two amplifiers each of bandwidth 10 kHz are cascaded. The overall bandwidth 'becomes :
(A): 5 kHz (B): 6.4 kHz (C): 10 kHz (D): 20 kHz
154765. An op-amp has a common mode gain of 0.01 and a differential mode gain of 105. Its CMRR would be:
(A): 10 -7 (B): 108 (C): 103 (D): 107
154766. The 'Snubber’ circuit is used in thyristor circuits for:
(A): Triggering (B): dv/dt protection (C): di/dt protection (D): Bypass high frequency noise
154767. A power chopper converts :
(A): DC to DC (B): DC to AC (C): AC to DC (D): AC to AC
154768. What is the simplified form of the Boolean expression? T = (X -t- Y)(x + Y X^ + K):
(A): XY (B): -XY (C): XY (D): XY-
154769. Which of the following is used as latch?
(A): J-K Master-Slave (B): R-S flip- flop (C): D flip-flop (D): T flip - flop
154770. Which interrupt has the highest priority?
(A): RST 7.5 (B): RST 7 (C): RST 6.5 (D): INTR
<<= Back
Next =>>
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use
Powered By:Omega Web SolutionsPrivacy | Terms And Conditions
Powered By:Omega Web Solutions