The most common way to produce catfish is in ponds that are around _____ deep
a. One to two feet c. Six to eight feet
b. Four to six feet d. Ten to twelve feet
B
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What is the purpose of a wheel bearing?
A) Reduce friction B) Transfer weight C) Both A and B D) Neither A nor B
Problem 1.47 A load P is supported as shown by a steel pin that has been inserted in a short wooden member hanging from the ceiling. The ultimate strength of the wood used is 60 MPa in tension and 7.5 MPa in shear, while the ultimate strength of the steel is 145 MPa in shear. Knowing that b = 40 mm, c = 55 mm, and d = 12 mm, determine the load P if an overall factor of safety of 3.2 is desired.
Large pan-shaped heaters used to keep newly hatched chicks warm are _____
a. brooders c. conveyers b. incubators d. roasters
Wracking can be prevented by ____.
A. avoiding plywood B. removing sheathing from the corners C. not attaching anything to the wall framing D. attaching diagonal braces at the corners