Answer the following statement(s) true (T) or false (F)
1. Wool judging classes are more subjective than contests such as livestock judging.
2. Corriedale sheep yield a low percentage of clean wool, less than 35 percent.
3. Debouillet sheep developed from Delaine-Merion and Rambouillet crosses.
5. Yield takes into account the washing and scouring of fleece.
1. False
2. False
3. True
4. True
5. False
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After being slowly cooled from the austenite region, a simple iron?carbon steel exhibits a microstructure consisting of 40 percent pearlite and 60 percent ferrite.
(a) Estimate the carbon concentration of the steel. (b) Describe the equilibrium microstructure that would be obtained if the steel were heated to 730°C and held there for a long period of time. (c) What would be the equilibrium structure of this steel if it were heated to 850°C? (d) Make sketches of all these microstructures.
What material might be used for making work gloves to provide maximum protection against abrasions and cuts? Chemicals that butyl rubber does not protect against?
What will be an ideal response?
Electrical wiring repair is being discussed. Technician A says wire size is specified in either the American Wire Gauge (AWG) system or in a metric cross-sectional area. Technician B says the higher the number in AWG the higher the conductor. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
A contractor pays an electrician $910 per week and a helper $560 per week. If the work week consists of 35 hours, find the cost per hour for labor on a job using two electricians and two helpers.
Fill in the blank(s) with the appropriate word(s).