A(n) ____________________ is the smallest particle of a substance that has the properties of that substance.
Fill in the blank(s) with the appropriate word(s).
molecule
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Both chromium and zinc are plating materials used to prevent iron or steel from rusting.
Answer the following statement true (T) or false (F)
Which of the following is the most common method of shutting down an engine fueled by a hydromechanical port helix metering injection pump?
A. control rack to no fuel B. de-energize shutdown solenoid C. energize shutdown solenoid D. choke off intake air
In axial spray metal transfer, the shielding gas is usually a mixture of ____.
A. 95% to 98% argon and 2% to 5% oxygen B. 2% to 5% argon and 95% to 98% oxygen C. 50% argon and 50% oxygen D. 5% argon and 95% oxygen
Technician A says that high HC emission levels are often caused by a fault in the ignition system. Technician B says that high CO2 emissions are usually caused by a richer-than-normal air-fuel mixture. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician