A ____________ is left in a sample container as a safeguard against thermal expansion of the container.
Fill in the blank(s) with the appropriate word(s).
Vapor space
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Answer the following statements true (T) or false (F)
1) OSHA publishes a comprehensive standard specifically for pressure hazards. 2) Electricity is the flow of negatively charged particles through an electrically conductive material. 3) Atoms have a centrally located nucleus consisting primarily of electrons. 4) Conductors are substances that have no free electrons at room temperature. 5) Insulators do not conduct electricity well if at all.
Three common tools used when pouring concrete are ____________________,
____________________, and ____________________.
Fill in the blank(s) with the appropriate word(s).In a electronic suspension system, the accelerometer contains:
A. A Hall Effect switch B. A mercury switch C. A silicon diaphragm D. LEDs
It is difficult to store digital data
Indicate whether the statement is true or false