The final choice of piping material for many applications, including fuel gases, is often controlled by _____
A) building codes
B) the material cost
C) personal preference
D) the installing contractor
Answer: A
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If you have decided that you would like someone else to make your parts or device for you, you must produce a set of formal documents known as ______________________________ to send to the fabricator.
Fill in the blank(s) with the appropriate word(s).
The nameplate of an electric motor has the following information:
Line voltage: 220 V rms Line current: 15 A rms Line frequency: 60 Hz Power: 2700 W Determine the power factor (lagging) of the motor. Find the value of the capacitance C that must be connected across the motor to raise the pf to unity.
One can transform a delta connection to a(n) _________ connection, and vice versa
A. series B. pi C. wye D. impedance
Employees need not be warned of chemical hazards by labels on containers or safety data sheets (SDS).