Briefly explain three oil-drilling methods
What will be an ideal response?
? Cable tool—this early method used a chisel to loosen the soil, then rotary drills used bits to break through the
rock and soil.
? Directional drills—drill the shaft at an angle
? Special drills called turbodrills or electrodrills—rotate and bend, directing the cutting bit.
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How is low-impact development different from conservation design?
What will be an ideal response?
A movie source generates a set of 1080p HD digital image files, each file composed of 1920 x 1080 picture elements (pixels), with each pixel specified with three bytes of information. When the source produces 30 images per second, its raw (uncoded) data rate equals _____ (x.xx10y ) bps.
Fill in the blank(s) with the appropriate word(s).
A Punnett square is used to _____
a. predict the results of crossbreeding b. predict the number of young to be born alive c. formulate rations d. predict the sex of the young
An owner finds that when he uses a clamshell luggage carrier on top of his car, it cuts his gas mileage 3.1%. If he normally gets 40 mpg, what is his mileage when he uses the carrier?
A. 37.11 B. 38.76 C. 39.13 D. 39.89