Elbows are _____.

a. flexible joints in a pipe system
b. the same as blind flanges
c. fittings that change pipe direction by 90 degrees
d. fittings that stop flow at a pipe junction


c. fittings that change pipe direction by 90 degrees

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If a soldering iron tip does not have a thin consistent layer of solder over the entire surface, the tip has not been properly ____________________.

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

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The output of a NOR gate is LOW only when all inputs are HIGH

Indicate whether the statement is true or false

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Select DeviceNet if the system requires ________

A) Intranet/Internet connections B) More diagnostics for improved data collection C) Program maintenance and media redundancy D) High-speed data transfer between information systems

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Repeat Problem 9.9 for VB = 15 V. and VC = 10 V.

Problem 9.9
Consider the circuit of Figure P9.9. Determine whether the diode is conducting. Assume VA = 12 V,
VB = 10 V, VC = 5 V and that the diode is ideal.

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