The mechanical seal that optimizes seal face loading so that the faces stay closed without excessive force is known as a(n) _____ seal
A) unbalanced B) single-spring C) balanced D) metal bellows
C
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Answer the following statement(s) true (T) or false (F)
1. In a series circuit, current flow will decrease if more resistance is added to the circuit. 2. SPST switches are either on or off. 3. An 18-gauge wire is smaller than a 20-gauge wire. 4. Electrical tape is used to prevent moisture from entering a wiring repair. 5. A 36-watt light bulb has a lower resistance than a 42-watt light bulb.
Show that a system described by the equation 
is non-linear, BIBO stable, time invariant, non-causal and non-invertible.
What will be an ideal response?
A(n) ____________________ is a solid-state device similar to a silicon controlled rectifier (SCR), except that it will conduct both the positive and negative portions of a waveform.
Fill in the blank(s) with the appropriate word(s).
What type of written or visual communication is not appropriate on the work site?
a. A clear, simple sketch b. Acronyms and textspeak in a written message c. Legible handwriting d. A hand-drawn map for presenting directions