What precautions should you take when working with exhaust system parts?
What will be an ideal response?
1. Be careful around exhaust system parts. They are very hot.
2. Wear eye protection. When pounding on exhaust system parts to get them apart or put them together, rust can come off old pipe parts and get in your eye.
3. An oxyacetylene torch is often used for cutting and welding in muffler shops. MIG welding is also popular.
4. Do not run the engine without adequate ventilation. Engine exhaust contains carbon monoxide.
5. If the car is to be run while on a wheel-free, frame-contact lift, be certain that the drive tires do not contact any part of the lift.
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Wood is used at the foundation level and is a common material for walls and intermediate and upper-level floor systems.
Answer the following statement true (T) or false (F)
Internal leaks are those that are enclosed within the ____________________.
Fill in the blank(s) with the appropriate word(s).
Wattmeters read true power in a circuit. This can be expressed by what equation?
A) Power = ohms × volts × power factor B) Power = amps × volts C) Power = amps × voltage × power factor D) Power = ohms divided by volts
The power of DSSS systems is largely in the spreading and dispreading of the received signal because it gives rise to a phenomenon known as ______________
A. channel coding B. spectral regrowth C. processing gain D. frequency-hopping