Pin 2 of a 555 timer must be connected to a voltage that is less than 1/10 Vcc (the applied voltage) to trigger the unit.
Answer the following statement true (T) or false (F)
False
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Estimate the power requirement of the heater during this process. You may assume the specific heat of water is constant at 
Like the flow calorimeter of a particular single-cup coffee maker uses an electric heating element to heat a steady flow of water from 22°C to 88°C. It heats 8 fluid ounces of water (with a mass of 237 g) in 60 s.
Flow calorimeter
What will be an ideal response?
Which sign in the figure above is a directional sign?
a. A b. B c. C d. E
Cuando se utiliza una grúa para elevar personal, se debe reducir la capacidad de carga de la grúa un _____.
a. 10% b. 25% c. 50% d. 70%
The types of pipe, flanges, valves, bolts, and gaskets required for the pipe run are usually included in an isometric drawing in a _____.
a. line list b. bill of material c. drawing index d. piping list