Explain what sound transmission class (STC) is.
What will be an ideal response?
STC is a single -number index that measures the airborne sound insulation of an assembly, i.e., an assembly's effectiveness to reduce airborne sound transmission through it, in frequencies ranging from 125 Hz to 4 kHz.
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Figure 12-4
In the circuit shown in the accompanying figure, timer coil TR1 is connected in ____________________ with the 1M starter coil.
Fill in the blank(s) with the appropriate word(s).
Gas tungsten arc welding (GTAW) uses a nonconsumable electrode made of ____.
A. acetylene B. tungsten C. dioxide D. carbon
The uniform beam in Figure 12.37 has a mass of 155 kg. The suspended mass, m, is 210 kg. Determine the resultant pin reaction at A and the tension in the cable.
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Parameter information display (PID) is included in which OBD-II generic mode?
A) Mode one B) Mode two C) Mode eight D) Mode four