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WorksheetsQuiz 2 MEC522 Sem II 2020/2021
Total questions: 10
Worksheet time: 5mins
First order system is defined as :
Total number of poles of equation
Number of poles at origin
Total number of poles and order of equation
Order of the differential equation
Assertion (A): It is observed that step function is first derivative of a ramp function and impulse function is first derivative of a step function.
Reason (R): From the derived time response expression it is concluded that the output time response also follows the same sequence as that of input functions.
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not correct explanation of A
c) Both A is True but R is false
d) Both A is False but R is true
Laplace transform of unit impulse signal is :
a) A/s
b) A
c) 1
d) 1/s
1. Which of the following transfer function will have the greatest maximum overshoot?
a) 9/(s2+2s+9)
b) 16/(s2+2s+16)
c) 25/(s2+2s+25)
d) 36/(s2+2s+36)
The system in originally critically damped if the gain is doubled the system will be :
a) Remains same
b) Overdamped
c) Under damped
d) Undamped
The damping ratio and peak overshoot are measures of:
a) Relative stability
b) Speed of response
c) Steady state error
d) Absolute stability
A control system is operated with a parabolic input as shown above
If Ka is static error constant of the system, then its dynamic error constant K2 is
a) 0.01
b) 0.02
c) 0.03
d) 0.04
The error constants described are the ability to reduce the steady state errors.
a) True
b) False
A linear time invariant system is stable if :
a) System in excited by the bounded input, the output is also bounded
b) In the absence of input output tends zero
c) Both a and b
d) System in excited by the bounded input, the output is not bounded
Routh Hurwitz criterion cannot be applied when the characteristic equation of the system containing coefficient’s which is/are
a) Exponential function of s
b) Sinusoidal function of s
c) Complex
d) Exponential and sinusoidal function of s and complex
