Lubricants are used to keep engine parts running smoothly
Indicate whether the statement is true or false.
True.
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Normally open contact devices on ladder rungs and are sometimes called ____ contacts.
a. prohibit b. extend c. inhibit d. enable
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Why shouldn’t an electrical component ever be placed in a parallel circuit if it has a voltage rating less than the source voltage?
What will be an ideal response?
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Paul Carlson just took a second job in order to help pay for a new automobile. This is an
example of an ethical decision involving the relationship of the
a. employee to the firm. b. firm to the employee. c. firm to the environment. d. firm to competitors. e. employee to the environment.
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What part of an atom has a negative charge?
A. quark B. neutron C. proton D. electron
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