A New Engine Has Just Been Started for the First

question 20

Multiple Choice

A new engine has just been started for the first time. Technician A says that a mechanical oil pressure gauge should be installed and monitored during this time. Technician B says to let the engine idle until the oil pressure stabilizes and the thermostat opens. Who is correct?

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

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Definitions:

N-ethyl-N-methyl-1-hexanamine

N-ethyl-N-methyl-1-hexanamine is an organic compound featuring an amine group, with a structure derived from hexane by substituting hydrogen atoms with an ethyl and a methyl group on the nitrogen atom.

Structure

The arrangement or organization of atoms within a molecule, influencing its chemical behavior and physical properties.

Systematic Name

The name of a chemical compound that conveys the compound's molecular structure in accordance with the rules of a particular nomenclature.

Compound

A substance formed from two or more chemical elements that are chemically bonded together.