A rational transfer function H(s) is often used to represent an analog filter. Why must H(s) be strictly proper for lowpass and bandpass filters? Why must H(s) be proper for highpass and bandstop filters?

The drive force for diffusion is 7 fick's first law can be used to solve the non-steady state diffusion. a)-true b)-false

Most leaks in reciprocating air compressors can be detected and minimized by: (clo4) a)-detecting leakage areas using ultrasonic acoustic detector. b)-tightening joints and connections c)-replacing faulty equipment d)-all of the given options

What are the major differences between injection molding and extrusion?