Consider the following statements about transport-lag It is of non-minimum phase behaviourIt normally exists in thermal, hydraulic and pneumatic systemsIt has an excessive phase lag with no attenuation at high frequency Which of the above statements are correct?

Consider the following statements about transport-lag It is of non-min

1.	Consider the following statements about transport-lag It is of non-minimum phase behaviourIt normally exists in thermal, hydraulic and pneumatic systemsIt has an excessive phase lag with no attenuation at high frequency Which of the above statements are correct?
A.	1 only
B.	1 and 2
C.	All
D.	2 and 3
Answer» D. 2 and 3