" Velocity error constant of a system is measured when the input to the system is unit _______ function."

" Velocity error constant of a system is measured when the input to th

1.	" Velocity error constant of a system is measured when the input to the system is unit _______ function."
A.	" Parabolic"
B.	" Ramp"
C.	" Impulse"
D.	" Step"
Answer» C. " Impulse"