_____ adults feed almost exclusively on sagebrush
a. Sage grouse
b. Blue grouse
c. Sage chukar
d. Mourning dove
b
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Answer the following statement(s) true (T) or false (F)
Only qualified and trained persons should use builder’s transits and levels.
Using sketches, explain the difference between cantilevered soldier pile and anchored soldier pile excavation support systems.
What will be an ideal response?
Which of the following is by far the most prevalent problem found in both rats and mice?
a. Barbering b. URIs c. Inner ear infections d. Tumors
A transformer is delivering power to a 300-? resistive load. To achieve the desired power transfer, the turns ratio is chosen so that the resistive load referred to the primary is 7,500 ?. The parameter values, referred to the secondary winding, are:
r1 = 20 ? L1 = 1.0 mH Lm = 25 mH r2 = 20 ? L2 = 1.0 mH Core losses are negligible. Find: a. Determine the turns ratio. b. Determine the input voltage, current, and power and the efficiency when this transformer is delivering 12 W to the 300-? load at a frequency f = 10,000/2? Hz. Assumptions: Core losses are negligible.