Discuss the importance of the water-cement ratio in concrete.
What will be an ideal response?
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A refrigeration system designed for the storage of flowers or candy is considered a ____ type.
A. high temperature B. medium temperature C. low temperature D. sharp freezing
During framing, the rafter tables on a framing square are used ________
A) To mark the bird's mouth B) To look up the unit length of a rafter C) To determine the length of the overhang D) To step off a rafter
Which of the following terms means the same as thing as a piston pin?
A. wrist pin B. piston journal C. piston boss D. crosshead pin
Determine the deadweight of a 1-ft-long segment of a typical 20-in-wide unit of a roof supported on a nominal 2 × 16 in. southern pine beam (the actual dimensions are 1/2 in. smaller). The 3/4 -in. plywood weighs 3 lb/ft 2 .
