Name two important considerations when determining the proper photoelectric device to use.

What will be an ideal response?


When determining the proper photoelectric device to use for a specific application, you should consider ambient light, temperature, vibration, moisture, and surrounding dust.

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In a recent article in USA Today, the price of gasoline rose over the past year from $3.50 to $4.00, a price hike of about 14.29 percent. Gasoline consumption over the past year declined by 10 percent. So, on the basis of this article, we can conclude that

A) The own-price elasticity for gasoline is nearly -0.70 B) The own-price elasticity for gasoline is -1. C) The own-price elasticity for gasoline is roughly -1.43. D) Can't tell; insufficient information.

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El plan de elevación debe ser preparado por________.

a. el operador de la grúa únicamente b. el gerente del proyecto únicamente c. el aparejador únicamente d. todas las personas involucradas en la elevación

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During the load testing, battery voltage should not drop below how many volts?

A) 9.6 B) 8.6 C) 7.5 D) 10.5

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When oiling a permanently lubricated motor, a 20-weight, non-detergent motor oil should be used.

Answer the following statement true (T) or false (F)

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