Is hydrogen considered to be a hazardous chemical? Why or why not?

What will be an ideal response?


Hydrogen is not considered a hazardous chemical in that it is neither toxic nor poisonous in either acute or chronic dose levels. It poses few health risks in that it is not a carcinogen, is not an irritant, and is not corrosive.

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Two highway capacity improvement plans have been proposed for a congested suburban arterial. Select the most cost-effective alternative using present worth analysis. Assume an interest rate of 5% per year and a design life of 20 years for each alternative. Alternative A entails improvements to traffic signals at an initial cost of $82,000 and a salvage value of $5,000. Annual maintenance costs will be $700 per year. Alternative B entails traffic signal improvements and addition of a left-turn lane at an initial cost of $72,000 and no salvage value. Annual maintenance costs will be $1,200 per year, except in year 10 in which a rehabilitation will cost $14,000.

What will be an ideal response?

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To monitor the hydraulic pressure inside an automatic transmission, a ________________________________________ should be used.

Fill in the blank(s) with the appropriate word(s).

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The intake valve is usually 35%-40% smaller than the exhaust valve.

Answer the following statement true (T) or false (F)

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What measurement is the equivalent of moving 33,000 pounds 1 foot in 1 minute?

What will be an ideal response?

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