What type of fire extinguisher is usable for most types of fires?
A) CO B) CO2 C) Dry chemical D) Water
C
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You had 17.2 acres of alfalfa hay to be cut at a cost of $375.80 to have the hay cut. What was the cost per acre?
What will be an ideal response?
____________________ width is the length of time, in milliseconds, that a component is energized.
Fill in the blank(s) with the appropriate word(s).
The intake valve clearances on new engines of a certain type are normally distributed with mean 200 µm and standard deviation 10 µm.
a. What is the probability that the clearance is greater than 215 µm? b. What is the probability that the clearance is between 180 and 205 µm? c. An engine has six intake valves. What is the probability that exactly two of them have clearances greater than 215 µm?
After aluminum coupons and backings have been properly cleaned and prepared, they should be welded
within _____. a. 1 hour b. 45 minutes c. 30 minutes d. 10 minutes