What is the difference between a viscous impingement filter and a standard filter?
A) Viscous filters are treated with a sticky substance to trap and hold dirt.
B) Viscous filters are tested for viscosity.
C) Viscous filters are specifically for filtering oil.
D) Viscous filters use an electrical charging system.
A
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The smallest soil particle is _____
A) sand B) clay C) silt D) rock
The basic concepts of organizing are: creating or designing jobs, grouping jobs, and
delegating authority.
Indicate whether the statement is true or false.Why are air-acetylene, air MAPP, or air-propane torches preferred over oxyacetylene torches for soldering copper pipes?
A) They all produce a much hotter flame than oxyacetylene torches. B) Oxyacetylene torches cannot be used with solder because of the possibility of adverse chemical reactions. C) They have smaller, more focused flames than oxyacetylene torches. D) Oxyacetylene temperatures can easily overheat the pipe.
Use Data Sheet 5 and 7.Mixed number Example: 2-1/3Put a dash between the whole number and the fraction.Simple Fraction Example: 2/3
3/4" copper pipe is divided into three equal segments.c-c = 51 inches long3/4" copper, 90° ell3/4" copper, teeFind the end-to-end measure of pipe B.
Fill in the blank(s) with the appropriate word(s).