As brake fluid ages, what happens?
A) The viscosity (thickness) decreases B) The color changes to purple
C) The boiling temperature decreases D) The boiling temperature increases
C
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Answer the following statements true (T) or false (F)
1. Insulating materials that contain HCFC gas within their cells have a higher R-value than those that contain air within their cells. 2. Insulating materials that contain HCFC gas within their cells have a higher R-value than those that contain air within their cells. 3. The use of aluminum foil in attics is more useful in warm climates than in cold climates. 4. A building assembly with a higher U-value is thermally more insulating than one with a lower U-value.
Wind is formed on the Earth as a result of the unequal heating of the Earth’s surface by the sun. The resulting air masses have unequal pressures
Indicate whether the statement is true or false.____________ linings do not have the flexibility between the pad and shoe lining that riveted linings have. Therefore, they can be noisier than riveted linings.
Fill in the blank(s) with the appropriate word(s).
First introduced in 1962, early LEDs emitted high-intensity red light and were used as indicator lights for many years.
Answer the following statement true (T) or false (F)