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.
1) FALSE
2) TRUE
3) FALSE
4) FALSE
5) TRUE
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Describe the five major disease-causing organisms. Of these, which causes the most serious problem?
What will be an ideal response?
In the course of the late 19th century
A. the birthrate increased. B. the divorce rate fell. C. family size gradually declined. D. people tended to marry at an earlier age. E. children were seen as a greater economic asset.
A single receptacle installed on a branch circuit with no other device or outlet shall have an ampere rating ____ of that circuit.
A. not more than the rating B. not less than 150% of the rating C. not more than 150% of the rating D. not less than the rating
The three major electrical defects in compressor motors that can be identified using an ohm meter are:
A) Phased, unbalanced, or blown. B) Open, shorted, or grounded. C) Locked, under capacity, and unbalanced. D) Single phasing, dual phasing, and three phasing.