List three alternative fuels for an ICE and briefly explain the source of each.
What will be an ideal response?
1) Propane (LPG) is a by-product of natural gas production and the petroleum refining process.
2) Ethanol is a fuel made from corn, other grains, or biomass waste.
3) Methanol is a clean-burning fuel that is most often made from natural gas, but can also be produced from coal and biomass.
4) Natural gas, compressed natural gas (CNG) and liquefied natural gas (LNG), is a fossil fuel.
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The power supply from the panelboard is fed into a busway run through a ____.
A. drop-in assembly B. standard hanger C. feed-in adapter D. trolley run
Explain the difference between normal-weight (NW) structural concrete and lightweight (LW) structural concrete.
What will be an ideal response?
Electricity that is in motion with a current flow is referred to as:
A) Dynamic electricity. B) Potential energy. C) Static electricity. D) Hyperbolic electricity.
The resistance reading of an open heating element is:
A) Infinite ohms, which would show OL on most digital meters. B) It is not possible to check the resistance of an open heating element. C) 0, which would show as 0.0 to 0.1 on most digital meters. D) A measurable resistance of approximately 12.