Explain why silicones have higher gas permeability than do carbon-based molecules with equivalent pendent groups
What will be an ideal response?
The bonds along the silicone backbone (Si-O-Si) are longer than the bonds in the carbon polymer
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Answer the following statement(s) true (T) or false (F)
1. Diesel, gasoline, or natural gas engine-driven generators are most commonly used to provide another source of emergency or standby power when normal utility power fails. 2. The transfer switch may not be located outdoors. 3. The basic UPS system includes an electronic section that takes the normal line power and converts it to AC power to act as a battery charger. 4. Steam heat, as a waste byproduct of manufacturing processes, is now harnessed and used to turn steam turbine electric alternators. 5. As the energy-saving application of cogeneration results in less demand for electrical work, there are fewer jobs for electricians.
What is the difference between TLV, OEL, and PEL?
What will be an ideal response?
Tillage is an effective strategy of weed control regardless of weed species
Indicate whether the statement is true or false
Where a position tolerance is applied at RFS, what three conditions apply?
What will be an ideal response?