Los compresores de aire se usan para operar:

a. máquinas soldadoras.
b. bombas de lodo.
c. herramientas neumáticas.
d. herramientas hidráulicas.


Answer: C

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The length of a rod is to be measured by a process whose uncertainty is 3 mm. Several independent measurements will be taken, and the average of these measurements will be used to estimate the length of the rod. How many measurements must be made so that the uncertainty in the average will be 1 mm?

What will be an ideal response?

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____________________ like extra legs arise from accidents that occur in the genetic material.

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

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When the humidity level of the ambient air increases:

A. The air conditioning system does not have to work as hard to reduce the cab temperature. B. The air conditioning system must work much harder to reduce the cab temperature. C. It has no affect on the air conditioning system because it is self contained for the ambient air. D. The air conditioning compressor runs cooler.

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The principal dimension for an auxiliary view projected from the front view is:

A. height B. width C. depth

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