Process degree of freedom indicates _______________ number of controllers to be used?

A. Is a constant
B. Grows exponentially with time
C. Grows linearly with time
D. Decays linearly with time

A. 250
B. 500
C. 750
D. 1000

A. Increases
B. Decreases
C. Remain constant
D. Increases exponentially

A. 0.1
B. 3
C. 13
D. 29

A. Decibel = 20 log10 (AR)
B. Decibel = 20 loge (AR)
C. Decibel = 20 log10 (AR)0.5
D. Decibel = 20 loge (AR)0.5

A. 1/(s2 + 1)
B. s/(1 + s2)
C. 1/(s2 – 1)
D. s/(s2 – 1)