Name two advantages of grease over oil
What will be an ideal response?
(a) Bearing can be sealed, keeping lubricant in and contaminants out
(b) Grease will stay in place where oil would run out
(c) It can generally withstand higher temperatures
(d) Can decrease the frequency of maintenance of lubrication
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When the sampling frequency equals with the accompanying image, the sample-and-hold operation maintains the sample value for _____ (xx.x) ?s.
Fill in the blank(s) with the appropriate word(s).
The largest tarantula has a leg span _____
a. that can exceed 12 inches b. that reaches a maximum of 8 inches c. of approximately 3 feet d. of more than 24 inches
Through genetic engineering, scientists have been able to produce plants that are resistant to ____
a. poison c. eating b. herbicides d. picking
What type of economic system were most European states forced to adopt in order to cope with the demands of total war?
a. liberal free-market economies b. command economies c. self-sufficient economies d. advanced industrial economies