What is an impedance heating system?
What will be an ideal response?
An impedance heating system is one where electrical current flows through the wall of the pipeline or vessel, and the heat is produced by the impedance of the wall and the current flow.
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Is STC related to airborne sound or structure-borne sound?
What will be an ideal response?
A feed stream of 50 mol% A and 50 mol% B at 500 K enter an adiabatic steady state reactor. The reaction is A + B ? C and occurs in the liquid phase. The stream leaving the reactor is at 545 K, is at equilibrium, and contains 40 mol% C, 30 mol% A and 30 mol% B. Assuming CP = 80 J/mol•K for compound C, and that ?CP for the reaction is 0, what is ?HR0?
A. -1440 J/mol B. -6300 J/mol C. -3600 J/mol D. 3600 J/mol E. None of these
Why are electro mechanical control systems often referred to as relay control systems?
What will be an ideal response?
While discussing the steering pump pressure test: Technician A says the pressure gauge and valve should be connected in the power steering pump return hose to check pump pressure. Technician B says the pressure gauge valve should be closed for 30 seconds during the power steering pump pressure test. Who is correct?
What will be an ideal response?