What are some of the possible causes of preignition?
What will be an ideal response?
Causes of preignition include:
- Spark plugs of too high a heat range
- Hot spots in the combustion chamber (from sharp edges on valves, head gaskets, or hot carbon particles)
- A loose spark plug
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One of the wind turbines on Nell's Wind Farm needs to be repainted. The turbine and tower have 7,47?5 square feet to be painted. A gallon of paint covers 325 square feet. Nell has 5 gallons of the paint. How much more paint must Nell buy to complete the job?
Fill in the blank(s) with the appropriate word(s).
Which of the following tests are used to perform a pressure tightness test on a piping system? (Select all that apply.)
a. Hydrostatic testing b. Pneumatic testing c. Temperature testing d. Hypertesting
This machine tool is used to cut material by turning cylindrically shaped objects between centers or in a holding device called a chuck.
a. drilling machine b. grinding machine c. lathe d. milling machine
Why are carbon dioxide emissions a concern?
What will be an ideal response?