How much mechanical work is required to lift a 300-lb compressor 3 ft?
A) 300 lb × 3 ft = 900 ft-lb of force
B) Mechanical force alone will not lift the compressor.
C) 300 lb of force
D) 300 lb/3 ft = 100 ft-lb of force
A
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What will be an ideal response?
A grounding electrode conductor must be _____.
a. made of one-quarter inch steel plate b. made of copper, aluminum, or copper-clad aluminum c. green or green with yellow stripes d. protected by a Class A GFCI circuit breaker
A hybrid insulation system, commonly referred to as ____, combines a 1" to 2" layer of closed-cell SPF that is covered with fiberglass batts to fill the framing cavity.
A. flash and foam B. foam and wool C. cellulose and batt D. flash and batt
Answer the following statement(s) true (T) or false (F)
Following are boxplots comparing the amount of econozole nitrate (in µg/cm2) absorbed into skin for a brand name and a generic antifungal ointment.
a. The median amount absorbed for the brand name drug is greater than the 25th percentile of the amount absorbed for the generic drug.
b. The median amount absorbed for the brand name drug is greater than the median amount absorbed for the generic drug.
c. About half the sample values for the brand name drug are between 2 and 3.
d. There is a greater proportion of values outside the box for the brand name drug than for the generic drug.
e. Both samples are skewed to the right.
f. Both samples contain outliers.