When the mixture of fuel and air bums in the cylinder, it creates a temperature of ______________.
Answer(s): A
When the mixture of fuel and air burns in the cylinder, it creates a temperature of 4000° to 4500°F.
The first emission control applied to automobile engines was called the ___________.
Answer(s): B
The first emission control device for automobiles was the positive crankcase ventilation (PCV) system.
A tire that bears the code "P 185/70 R 14" is ________________.
In concrete work, to butter a concrete block means to _______________.
Answer(s): D
Buttering a concrete block means to put the mortar on it. This is usually done by taking the mortar from the hawk and applying it to the block's edges.
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