__________ provides information regarding general requirements for electrical installations.

A. Article 110
B. Article 210
C. Article 240
D. Article 250


Answer: A

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____________________ results when hydraulic pistons are moving in and out during a stop.

Fill in the blank(s) with the appropriate word(s).

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Consider a chemical tank for which there are three variables to be monitored: level, pressure, and temperature. The circuit has to be designed such that an alarm is sounded when certain combinations of conditions of the variables occur. The alarm will sound if the liquid level is high and the temperature is high. Another condition for alarm is high liquid level with low temperature and high pressure.

What will be an ideal response?

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Aqueous-based cleaning means ________

A) Abrasive-based B) Water-based C) Strong chemical-based D) All of the above

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The direction of rotation of a three-phase motor can be reversed by __________.

A. reconnecting L1 to L2, L2 to L3, and L3 to L1 B. disconnecting one of the leads and then reconnecting it after the motor is at full speed C. reversing any two of the three line connections D. all of the above

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