A. 1
B. 1/S
C. 1/S2
D. 1/(S2 + 1)
Advertisement
Related Mcqs:
- In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is_____________?
A. G/(1 + H)
B. H/(1 + G)
C. G/H
D. H/G - For two non-interacting first order systems connected in series, the overall transfer function is the ______________ of the individual transfer functions?
A. Product
B. Ratio
C. Sum
D. Difference - Which of the systems having following transfer functions is stable ?
A. 1/(s2 + 2)
B. 1/(s2 – 2s + 3)
C. 1/(s2 + 2s + 2)
D. exp (-20s)/(s2 + 2s – 1) - In a closed loop system, the process to be controlled is an integrating process with transfer function 1/2s. The controller proposed to be used in an integral controller with transfer function 1/T1s. When a step change in set point is applied to such a closed loop system, the controlled variable will exhibit__________________?
A. Overdamped response
B. Underdamped response
C. Undamped response
D. Unstable response - The characteristic equation for the control system with a closed loop transfer function G1/1 + G2 is given by 1 + G2 = 0. The characteristic equation for the control system_________________?
A. Depends only upon the open loop transfer function
B. Determines its stability
C. Is the same for set point or load changes
D. All A , B & C. - Bode diagram are generated from output response of the system subjected to which of the following input ?
A. Impulse
B. Step
C. Ramp
D. Sinusoidal - A sinusoidal variation in the input passing through a linear first order system _________________?
A. Becomes more oscillatory (frequency increases)
B. Becomes less oscillatory (frequency decreases)
C. Gets amplified (magnitude increases)
D. Gets attenuated (magnitude decreases) - What is the Laplace transform of impulse input having magnitude „X‟ ?
A. X
B. X2
C. 1/X
D. 1 - What is the dynamic error in a critically damped second order instrument for a ramp input (At) ?
A. 0.5 AT
B. 2 AT
C. √(AT)
D. 1.5 AT - For an input forcing function, X(t) = 2t2, the Laplace transform of this function is________________?
A. 2/s2
B. 4/s2
C. 2/s3
D. 4/s3
Advertisement