Why is it dangerous to not to use R410A gauges on a R410A system?
What will be an ideal response?
Because it is dangerous.
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After the use areas have been assigned to the property, the next step is design and development
Indicate whether the statement is true or false
Determine the estimated cost of the electrical for the residence shown in Figure 18.7 using the following assembly costs. The associated wiring is included in the cost of each assembly. What is the fixture allowance for the residence?
What will be an ideal response?
____ is the maximum number of disconnects per service grouped in any one location.
A. Two B. Three C. Six D. Nine
A rectangular voltage pulse which begins at t = 0, is 2 seconds wide and has a height of 0.5 V drives an RC lowpass filter in which R = 10 k? and C = 100 ?F.
a) Graph the voltage across the capacitor versus time. (b) Change the pulse duration to 0.2 s and the pulse height to 5 V and repeat. (c) Change the pulse duration to 2 ms and the pulse height to 500 V and repeat. (d) Change the pulse duration to 2 ms and the pulse height to 500 kV and repeat. Based on these results what do you think would happen if you let the input voltage be a unit impulse?