1. The steady state error due to a ramp input for a type two system is equal to :

(a) zero

(b) infinite

(c) non-zero number

(d) constant

2. The impulse response of a system is

Its step response is equal to :

(a) 0.5e^{-10t
}(b) 5(1 – e^{-10t})

(c) 0.5(l – e^{-10t})

(d) 10(1 – e^{-10t})

3. A unity feedback system has open-loop transfer function G(s). The steady-state error is zero for :

(a) step input and type-1 G( s)

(b) step input and type-0 G(s)

(c) ramp input and type-1 G(s)

(d) ramp input and type-0 G(s)

4. In the type 1 system, the velocity error is :

(a) inversely proportional to bandwidth

(b) directly proportional to error constant

(c) inversely proportional to error constant

(d) independent of error constant

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