Clamps that fasten directly to a wall to hold the pipe firmly and closely against the wall are _____ clamps.

a. wall support
b. wall saddle
c. riser
d. double-bolt


a. wall support

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En una viga simple, el refuerzo se coloca en _____ de la viga.

a. la parte más alta b. la mitad superior c. la mitad inferior d. la parte más baja

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All of the following statements are true EXCEPT:

A. leather does a good job around moisture or higher temperatures (above 2000F). B. felt is a material that is sometimes used to keep out dirt. C. to tell if a used seal is synthetic rubber or leather, scratch its surface. It will turn to a rougher, lighter color like brown or beige if it is leather. D. felt does not do a good job of keeping oil confined and can also absorb water, contributing to rusting.

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Bulbs grow well in natural wooded areas

Indicate whether the statement is true or false

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If more turns of wire are added to a coil and then that coil is moved through a magnetic field, the voltage produced will ________

A) be the same as the original coil B) be less than the original coil C) be more than the original coil

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