Injector Cleaning Is Being Discussed

question 6

Multiple Choice

Injector cleaning is being discussed. Technician A uses a wire brush to clean the tips of the injectors. Technician B soaks the injector in cleaning solvent. Who is correct?

• A)A only
• B)B only
• C)both A and B
• D)neither A nor B

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Definitions:

Kinetic Energy

The energy possessed by an object due to its motion, calculable as one-half the mass times the square of its velocity.

Electron Clouds

The region around an atomic nucleus where electrons are likely to be found, representing the electron’s probable location based on quantum mechanics.

Tertiary Hydrogens

Hydrogen atoms attached to a tertiary carbon, which is a carbon atom bonded to three other carbon atoms.

Rate-Limiting Step

The slowest step in a chemical reaction sequence which determines the overall reaction rate.