When do chemical oxidation and chemical reduction occur?
What will be an ideal response?
Chemical oxidation occurs when electrons are removed from an element or molecule in a chemical reaction. The hydrogen gas in a fuel cell is oxidized to form two protons and two electrons. It is usually not so simple though. Chemical reduction occurs when electrons are added to an element or molecule in a chemical reaction.
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Answer the following statement(s) true (T) or false (F)
1. All motor circuits are protected for both overcurrent and overload conditions. 2. Overcurrent is a low intensity fault current condition caused by accidental short-circuits and ground-faults. 3. Overload is a lower intensity current condition caused by a mechanical overload on the motor. 4. Overload protection is provided before the contactor unit and after the motor being protected. 5. The overload unit controls the normally closed set of overload contacts, which are connected in the control circuit.
One of the four elements related to the sending of a message is _____.
a. interpreting the message b. responding to internal listening barriers c. paraphrasing d. encoding the message
What right, later rescinded by Napoleon, did women gain as a result of the Revolution?
a. the right to vote b. the right to equal pay c. the right to divorce d. the right to child support
Isometric circles appear round.
Answer the following statement true (T) or false (F)