In one turn of a speed wrench, the hand makes a circle. If the hand measures 4.25 inches, what is the diameter in inches of the circle made by this speed wrench?
A. 7.5
B. 8
C. 8.25
D. 8.5
Answer: D
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Which of the following letters in Figure 1 shows a dimension of 1'-6"?
a. A
b. B
c. C
d. D
EP Electric has identified two new methods to treat its cooling water. Alternative I (for inflow) would treat the raw water with a conventional reverse osmosis system so that the cycles of concentration could be increased from 5 to 20. This will result in water cost savings of $360,000 per year and chemical cost savings of $56,000 per year. The initial cost of the equipment will be $2.3 million with an operating cost of $125,000 per year. Alternative B (for blowdown) will treat the cooling tower blowdown water using a high- pressure seawater reverse osmosis system to recover most of the water that is sent to an evaporation pond. This option will result in water savings of $270,000 per year. The cost of the system will be $1.2 million with an operating cost of $105,000 per year. Assuming
one of the two methods must be installed, determine which is preferred on the basis of the incremental ROR value using MARR of 5% per year, which is a typically low return expected of government projects. Use a 10-year study period with no salvage value for either system. (Note: See Problem 8.41 for more on this situation.) What will be an ideal response?
The term ______bred best describes animals whose ancestors are of only one breed.
A. Cross B. Pure C. In D. Uni
A defective outer CV joint will usually make a ________
A) Growling noise B) Clunking noise C) Clicking noise D) Rumbling noise