Technician a Says a Pulse-Width Modulation Value of 50% Means

question 8

Multiple Choice

Technician A says a pulse-width modulation value of 50% means the valve is open 50% of the time and closed 50% of the time. Technician B says a pulse-width modulation of 255 means that line pressure is increased by 25%. Who is correct?

• A) Technician A
• B) Technician B
• C) Both A and B
• D) Neither A nor B

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Definitions:

Hydrogens

Atoms that consist of one proton and, in most cases, one electron, forming the most abundant chemical substance in the universe.

Equilibrium Constant

A number that expresses the relationship between the concentrations of products and reactants of a reaction at equilibrium under given conditions.

ΔG°

The standard Gibbs free energy change for a reaction, indicating the spontaneity of the process under standard conditions.

Corresponding K

Often refers to the equilibrium constant of a corresponding reaction, indicative of the position of equilibrium.